* upstream/master: (43 commits)
  Update CHANGELOG.md for 9.0.1
  Support wider range of monitored environments with Prometheus
  Add changelog entry
  Don't include branch name in Knapsack report file
  Add a new `stub_mattermost_setting` stub helper to properly stub Mattermost settings
  Fixed issue boards sidebar alignment
  Fixed alignment of tooltip on card assignee
  Stops triggering board sidebar when clicking avatar
  Get rid of a third N+1 query problem
  Get rid of second N+1 query problem
  Get rid of a first N+1 query problem
  Add N+1 query problem specs for Issue and MergeRequest ReferenceFilter classes
  Fix Gitlab::EeCompatCheck: use `ee_branch_found` instead of `ee_branch`
  Use `:empty_project` where possible in service specs
  Adds entry about kebab case props in documentation
  Fix sub-nav highlighting for `Environments` and `Jobs` pages
  spread out webpack bundles per-line to reduce conflicts in EE
  Improve UX guide on tooltips
  Correct example value variable name.
  If wget fails, remove the empty file created
  ...

Merge branch '30098-banzai-filter-mergerequestreferencefilter-has-an-n-1-query-problem' into 'master'

Resolve "Banzai::Filter::MergeRequestReferenceFilter has three N+1 query problems"

Closes #30098

See merge request !10252

Don't include branch name in Knapsack report file

See merge request !10284

Refactored the user callout class

Closes #29955

See merge request !10213

[ci skip]

Remove spreadString in favor of polyfilled Array.from

See merge request !10203

Fix environment folder route when special chars present

Closes #29922

See merge request !10250

Fixed alignment of tooltip on card assignee

Closes #30123

See merge request !10261

Fixed issue boards sidebar alignment

See merge request !10260

Stops triggering board sidebar when clicking avatar

See merge request !10265

Add a new `stub_mattermost_setting` stub helper to properly stub Mattermost settings

Closes #30172

See merge request !10288

Support wider range of monitored environments with Prometheus

Closes #29874

See merge request !10159

[ci skip]
Signed-off-by: Rémy Coutable <remy@rymai.me>

Otherwise, branches other than master won't benefit from Knapsack!
Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Closes #30123

Fix Gitlab::EeCompatCheck: use `ee_branch_found` instead of `ee_branch`

Closes #30136

See merge request !10255

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Use the same approach in Banzai::Filter::MergeRequestReferenceFilter
as we do with issues.
Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Use `:empty_project` where possible in service specs

See merge request !10274

Update wikis_controller.rb to use strong params

Closes #23363

See merge request !10240

Signed-off-by: Rémy Coutable <remy@rymai.me>

If wget fails, remove the empty file created

See merge request !10257

Adds entry about kebab case props in documentation

Closes #29973

See merge request !10208

Fix sub-nav highlighting for `Environments` and `Jobs` pages

Closes #30112

See merge request !10254

Spread out webpack bundles per-line to reduce conflicts in EE

See merge request !10269

update test_bundle.js ignored files

See merge request !10228