chore: add #73/#76/#79/#80 docs merges to v1.1.0 release notes (#63)

Master moved during release prep: PRs #89 (#79), #90 (#80), #92 (#76), and
#93 (#73) merged. Sync the branch with master (ba6064e) and record all four
in the v1.1.0 Documentation section. CHANGELOG.md only.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

CHANGELOG.md

@@ -29,6 +29,10 @@ All notable changes to this project will be documented in this file.
 - Developer testing guidelines (#70).
 - Jenkins read-only build-status tools design (#72).
 - Jenkins repo/branch/PR → job mapping design (#77).
+- Safety and boundary docs updated for Jenkins/GlitchTip: `glitchtip-mcp` boundary, read-only-first policy, mutation gating (#79).
+- Proposed label taxonomy for Jenkins/GlitchTip workflows (#80).
+- GlitchTip read-only error/event tools design (#73).
+- Multi-service MCP profile model extension (#76).
 
 ## [v1.0.1]
 - Fix Recent Timesheets Remove button text clipping and copy theme/whats_new in build.