Merge branch 'main' into v2

* main:
  feat(stdiscosrv): configurable desired not-found rate
  chore(blobs): generalised blob storage
  chore(stdiscosrv): path style s3
  feat(ursv): add os/arch/distribution metric
  chore(strelaypoolsrv): limit number of returned relays
  build(infra): run in Docker environment for pushes
  chore(stupgrades): expose latest release as a metric
  feat(api, gui): allow authentication bypass for metrics (#10045)

.github/workflows/build-infra-dockers.yaml

@@ -21,7 +21,7 @@ jobs:
     name: Build and push Docker images
     if: github.repository == 'syncthing/syncthing'
     runs-on: ubuntu-latest
-    environment: release
+    environment: docker
     strategy:
       matrix:
         pkg: