Update CHANGELOG.md for 12.10.6

[ci skip]

CHANGELOG.md

@@ -2,6 +2,17 @@
 documentation](doc/development/changelog.md) for instructions on adding your own
 entry.
 
+## 12.10.6 (2020-05-15)
+
+### Fixed (5 changes)
+
+- Fix duplicate index removal on ci_pipelines.project_id. !31043
+- Fix 500 on creating an invalid domains and verification. !31190
+- Fix incorrect number of errors returned when querying sentry errors. !31252
+- Add instance column to services table if it's missing. !31631
+- Fix incorrect regex used in FileUploader#extract_dynamic_path. !32271
+
+
 ## 12.10.5 (2020-05-13)
 
 ### Added (1 change)

changelogs/unreleased/216728-actionview-template-error-undefined-method-pages_domain-for-pagesd.yml

----
-title: Fix 500 on creating an invalid domains and verification
-merge_request: 31190
-author:
-type: fixed

changelogs/unreleased/216851-graphql-externallypaginatedarrayconnection-can-return-incorrect-nu.yml

----
-title: Fix incorrect number of errors returned when querying sentry errors
-merge_request: 31252
-author:
-type: fixed

changelogs/unreleased/216970-add-instance-to-service-if-missing.yml

----
-title: Add instance column to services table if it's missing
-merge_request: 31631
-author:
-type: fixed

changelogs/unreleased/217602-file-uploads-on-local-storage-with-nil-secret-in-the-db-are-broken.yml

----
-title: Fix incorrect regex used in FileUploader#extract_dynamic_path
-merge_request: 32271
-author:
-type: fixed

changelogs/unreleased/cat-duplicate-ci-pipelines-index-215790.yml

----
-title: Fix duplicate index removal on ci_pipelines.project_id
-merge_request: 31043
-author:
-type: fixed