Update usage ping dictionary

Use the generators to generate the metric YAML files and to update
the dictionary.

config/metrics/counts_28d/20210301102134_i_code_review_user_time_estimate_changed_monthly.yml

+---
+key_path: redis_hll_counters.code_review.i_code_review_user_time_estimate_changed_monthly
+description: Count of unique users per month who changed time estimate of a MR
+product_section: dev
+product_stage: create
+product_group: group::code review
+product_category: code_review
+value_type: number
+status: implemented
+milestone: "13.10"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55046
+time_frame: 28d
+data_source: redis_hll
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate

config/metrics/counts_28d/20210301102204_i_code_review_user_time_spent_changed_monthly.yml

+---
+key_path: redis_hll_counters.code_review.i_code_review_user_time_spent_changed_monthly
+description: Count of unique users per month who changed time spent on a MR
+product_section: dev
+product_stage: create
+product_group: group::code review
+product_category: code_review
+value_type: number
+status: implemented
+milestone: "13.10"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55046
+time_frame: 28d
+data_source: redis_hll
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate

config/metrics/counts_7d/20210302103539_i_code_review_user_time_estimate_changed_weekly.yml

+---
+key_path: redis_hll_counters.code_review.i_code_review_user_time_estimate_changed_weekly
+description: Count of unique users per week who changed time estimate of a MR
+product_section: dev
+product_stage: create
+product_group: group::code review
+product_category: code_review
+value_type: number
+status: implemented
+milestone: "13.10"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55046
+time_frame: 7d
+data_source: redis_hll
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate

config/metrics/counts_7d/20210302103615_i_code_review_user_time_spent_changed_weekly.yml

+---
+key_path: redis_hll_counters.code_review.i_code_review_user_time_spent_changed_weekly
+description: Count of unique users per week who changed time spent on a MR
+product_section: dev
+product_stage: create
+product_group: group::code review
+product_category: code_review
+value_type: number
+status: implemented
+milestone: "13.10"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55046
+time_frame: 7d
+data_source: redis_hll
+distribution:
+- ce
+- ee
+tier:
+- free
+- premium
+- ultimate

doc/development/usage_ping/dictionary.md

@@ -13730,6 +13730,86 @@ Count of unique users per week|month with diffs viewed file by file
 | `tier` |  |
 | `skip_validation` | true |
 
+## `redis_hll_counters.code_review.i_code_review_user_time_estimate_changed_monthly`
+
+Count of unique users per month who changed time estimate of a MR
+
+| field | value |
+| --- | --- |
+| `key_path` | **`redis_hll_counters.code_review.i_code_review_user_time_estimate_changed_monthly`** |
+| `product_section` | dev |
+| `product_stage` | create |
+| `product_group` | `group::code review` |
+| `product_category` | `code_review` |
+| `value_type` | number |
+| `status` | implemented |
+| `milestone` | 13.10 |
+| `introduced_by_url` | [Introduced by](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55046) |
+| `time_frame` | 28d |
+| `data_source` | Redis_hll |
+| `distribution` | ce, ee |
+| `tier` | free, premium, ultimate |
+
+## `redis_hll_counters.code_review.i_code_review_user_time_estimate_changed_weekly`
+
+Count of unique users per week who changed time estimate of a MR
+
+| field | value |
+| --- | --- |
+| `key_path` | **`redis_hll_counters.code_review.i_code_review_user_time_estimate_changed_weekly`** |
+| `product_section` | dev |
+| `product_stage` | create |
+| `product_group` | `group::code review` |
+| `product_category` | `code_review` |
+| `value_type` | number |
+| `status` | implemented |
+| `milestone` | 13.10 |
+| `introduced_by_url` | [Introduced by](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55046) |
+| `time_frame` | 7d |
+| `data_source` | Redis_hll |
+| `distribution` | ce, ee |
+| `tier` | free, premium, ultimate |
+
+## `redis_hll_counters.code_review.i_code_review_user_time_spent_changed_monthly`
+
+Count of unique users per month who changed time spent on a MR
+
+| field | value |
+| --- | --- |
+| `key_path` | **`redis_hll_counters.code_review.i_code_review_user_time_spent_changed_monthly`** |
+| `product_section` | dev |
+| `product_stage` | create |
+| `product_group` | `group::code review` |
+| `product_category` | `code_review` |
+| `value_type` | number |
+| `status` | implemented |
+| `milestone` | 13.10 |
+| `introduced_by_url` | [Introduced by](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55046) |
+| `time_frame` | 28d |
+| `data_source` | Redis_hll |
+| `distribution` | ce, ee |
+| `tier` | free, premium, ultimate |
+
+## `redis_hll_counters.code_review.i_code_review_user_time_spent_changed_weekly`
+
+Count of unique users per week who changed time spent on a MR
+
+| field | value |
+| --- | --- |
+| `key_path` | **`redis_hll_counters.code_review.i_code_review_user_time_spent_changed_weekly`** |
+| `product_section` | dev |
+| `product_stage` | create |
+| `product_group` | `group::code review` |
+| `product_category` | `code_review` |
+| `value_type` | number |
+| `status` | implemented |
+| `milestone` | 13.10 |
+| `introduced_by_url` | [Introduced by](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/55046) |
+| `time_frame` | 7d |
+| `data_source` | Redis_hll |
+| `distribution` | ce, ee |
+| `tier` | free, premium, ultimate |
+
 ## `redis_hll_counters.code_review.i_code_review_user_toggled_task_item_status_monthly`
 
 Missing description