Merge branch 'main' into v2

* main:
  build: properly propagate build tags to Debian build (#10144)
  fix(protocol): avoid deadlock with concurrent connection start and close (#10140)
  build: add labeler workflow for PRs (#10143)
  build(deps): update our notify package from upstream (#10142)
  build(deps): update dependencies (#10141)
  docs: general notes about v2 coming (#10135)

.github/workflows/pr-metadata.yaml

@@ -0,0 +1,30 @@
+name: PR metadata
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+      - edited
+      - synchronize
+  schedule:
+    - cron: "42 7 * * *"
+
+permissions:
+  contents: read
+  issues: write
+  pull-requests: write
+
+jobs:
+
+  #
+  # Set labels on PRs, which are then used to categorise release notes
+  #
+
+  labels:
+    name: Set labels
+    runs-on: ubuntu-latest
+    steps:
+    - uses: srvaroa/labeler@v1
+      env:
+        GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"