Add current locale to commit partial cache key

Closes #36591

See merge request !13669

Merge branch 'pawel/update_prometheus_client_gem_to_improve_performance_when_rendering_metrics' into 'master'

Update prometheus mmap client library to fix performance issues when rendering many metrics.

See merge request !13674

Migrating from Clearcase docs

See merge request !13569

Merge branch '36630-activerecord-statementinvalid-pg-notnullviolation-error-null-value-in-column-a_mode-violates-not-null-constraint' into 'master'

Resolve "ActiveRecord::StatementInvalid: PG::NotNullViolation: ERROR:  null value in column "a_mode" violates not-null constraint"

Closes #36630

See merge request !13663

[ci skip]

Describe the supported version of group-level variables API in document

Closes #36543

See merge request !13648

Update project_snippets.md

See merge request !13654

Guess the modes based on the following:

1. If the file didn't exist, it's zero.
2. If the diff contains 'Subproject commit', it might be a submodule, so 0600.
3. Otherwise, it's 0644.

This isn't perfect, but it doesn't have to be - it won't change file modes in
the repository.

Client Implementation: RefService::RefExists

Closes gitaly#452

See merge request !13528

Fix unnecessarily long gl.utils.backOff test

Closes #36648

See merge request !13651

Add support for i18n on Project Activity Page

Closes #32795

See merge request !13451

Setup settings properly

See merge request !13645

Don't escape html entities in InlineDiffMarkdownMarker

Closes #36041

See merge request !13553