workflows: bump softprops/action-gh-release from 1 to 2

Bumps [softprops/action-gh-release](https://github.com/softprops/action-gh-release) from 1 to 2.
- [Release notes](https://github.com/softprops/action-gh-release/releases)
- [Changelog](https://github.com/softprops/action-gh-release/blob/master/CHANGELOG.md)
- [Commits](softprops/action-gh-release@v1...v2)

---
updated-dependencies:
- dependency-name: softprops/action-gh-release
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/staging-release.yaml

@@ -784,7 +784,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Release 2.0 - not latest
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         if: startsWith(inputs.version, '2.0')
         with:
           body: "https://fluentbit.io/announcements/v${{ inputs.version }}/"
@@ -795,7 +795,7 @@ jobs:
           target_commitish: '2.0'
 
       - name: Release 2.1 - not latest
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         if: startsWith(inputs.version, '2.1')
         with:
           body: "https://fluentbit.io/announcements/v${{ inputs.version }}/"
@@ -806,7 +806,7 @@ jobs:
           target_commitish: '2.1'
 
       - name: Release 2.2 and latest
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         if: startsWith(inputs.version, '2.2')
         with:
           body: "https://fluentbit.io/announcements/v${{ inputs.version }}/"