Merge branch 'main' into versioned-router-and-oas

* main: (224 commits)
  [Http] Replace `buildNr` with `buildSha` in static asset paths (#175898)
  [Ops] Fix GCS bucket access for future buildkite agents (#174756)
  [api-docs] 2024-02-07 Daily api_docs build (#176362)
  skip flaky suite (#176002)
  skip failing es promotion suite (#176359)
  [Cloud Security] [Grouping] Add URL Params support to the grouping components (#175749)
  chore(NA): update versions after v8.12.2 bump (#176309)
  chore(NA): update versions after v7.17.19 bump (#176313)
  skip failing test suite (#176352)
  [SLO] Enable burn rate alert by default during creation via UI (#176317)
  [Fleet] Add the uptime capability to observability projects (#176285)
  [Security Solution][Endpoint] Fix Manifest Manger so that it works with large (>10k) (#174411)
  [ResponseOps] Alert creation delay based on user definition (#175851)
  [data views] Default field formatters based on field meta values (#174973)
  [Cloud Security]Detection Rules counter on Rules Flyout (#176041)
  [Security Solution] Data Quality Dashboard persistence (#175673)
  [Ent Search] Connector client copy cleanup (#176290)
  [ML] Anomaly Detection: Adds actions menu to anomaly markers in Single Metric Viewer chart. (#175556)
  [ML] Anomaly Detection: Fix `values-dots` colors (#176303)
  [Fleet] Logstash Output - being compliant to RFC-952 (#176298)
  ...

.buildkite/ftr_configs.yml

@@ -410,10 +410,12 @@ enabled:
   - x-pack/test_serverless/api_integration/test_suites/observability/config.ts
   - x-pack/test_serverless/api_integration/test_suites/observability/config.feature_flags.ts
   - x-pack/test_serverless/api_integration/test_suites/observability/common_configs/config.group1.ts
+  - x-pack/test_serverless/api_integration/test_suites/observability/fleet/config.ts
   - x-pack/test_serverless/api_integration/test_suites/search/config.ts
   - x-pack/test_serverless/api_integration/test_suites/search/common_configs/config.group1.ts
   - x-pack/test_serverless/api_integration/test_suites/security/config.ts
   - x-pack/test_serverless/api_integration/test_suites/security/common_configs/config.group1.ts
+  - x-pack/test_serverless/api_integration/test_suites/security/fleet/config.ts
   - x-pack/test_serverless/functional/test_suites/observability/config.ts
   - x-pack/test_serverless/functional/test_suites/observability/config.examples.ts
   - x-pack/test_serverless/functional/test_suites/observability/config.saved_objects_management.ts

.buildkite/pipelines/emergency_release.yml

@@ -0,0 +1,3 @@
+steps:
+  - label: Placeholder
+    command: echo "Hello!"