Prepare for v1.11.0 release

[vikrantpuppala]

Summary

Bump DriverVersion to 1.11.0 and add the v1.11.0 section to CHANGELOG.md.

Changes since v1.10.0

• Enable telemetry by default with DSN-controlled priority ([PECOBLR-1381][PECOBLR-1382] Implement telemetry Phase 6-7: Collection, Aggregation & Driver Integration #320, [PECOBLR-1383] Add statement execution hooks for telemetry collection #321, [PECOBLR-1384] Complete telemetry implementation: Phases 8-10 #322, Enable telemetry by default with DSN-controlled priority and full event correctness tests #349)
• Add SPOG (Custom URL) routing support via x-databricks-org-id header (Add SPOG (Custom URL) routing support via x-databricks-org-id header #347)
• Add statement-level query tag support (Add statement-level query tag support #341)
• Add AI coding agent detection to User-Agent header ([PECOBLR-1928] Add AI coding agent detection to User-Agent header #326)
• Fix CloudFetch returning stale column names from cached results ([ES-1804970] Fix CloudFetch returning stale column names from cached results #351)
• Fix resource leak: close staging Rows in execStagingOperation (Fix resource leak: close staging Rows in execStagingOperation #325)

Internal/infra-only changes are omitted from the user-facing notes (CI hardening, dependabot bumps, CODEOWNERS).

Test plan

• go build ./... clean
• go test ./... -count=1 -short passes locally

Next steps after merge

1. Tag the merge commit as v1.11.0 and push the tag
2. Trigger peco-databricks-sql-go in secure-public-registry-releases-eng with ref=v1.11.0, dry-run=true to verify
3. Re-run with dry-run=false for the actual release

NO_CHANGELOG=true

This pull request was AI-assisted by Isaac.

[msrathore-db]

Thanks