Fix release process to not create duplicate releases (#17970)

This is to work around
https://github.com/softprops/action-gh-release/issues/445

---------

Co-authored-by: Quentin Gliech <quenting@element.io>

.github/workflows/release-artifacts.yml

@@ -212,7 +212,8 @@ jobs:
           mv debs*/* debs/
           tar -cvJf debs.tar.xz debs
       - name: Attach to release
-        uses: softprops/action-gh-release@v2
+        # Pinned to work around https://github.com/softprops/action-gh-release/issues/445
+        uses: softprops/action-gh-release@v2.0.5
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:

changelog.d/17970.bugfix

@@ -0,0 +1 @@
+Fix release process to not create duplicate releases.