ci: tag dependabot and release-please PRs with no-auto-update (#124)

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

Author: ryzizub

.github/dependabot.yaml

@@ -4,3 +4,6 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
+    labels:
+      - "dependencies"
+      - "no-auto-update"

.release-please-config.json

@@ -9,6 +9,7 @@
   ],
   "pull-request-header": ":rotating_light: There are changes ready for release :rocket:\n\nℹ Merge this PR once the team confirms the release is ready.\n",
   "pull-request-title-pattern": "chore: ${version}",
+  "extra-label": "no-auto-update",
   "include-component-in-tag": false,
   "bump-minor-pre-major": true,
   "bump-patch-for-minor-pre-major": true,