add missing condition in workflow

.github/workflows/github_release.yml

@@ -29,7 +29,7 @@ jobs:
           pip install "reno<5"
 
       - name: Generate release notes for release candidates - minor releases
-        if: steps.version.outputs.current_pre_release != ''
+        if: steps.version.outputs.current_pre_release != '' && endsWith(steps.version.outputs.current_release, '.0')
         env:
           # When generating notes for release candidates of minor versions, pick every vX.Y.Z-rcN but
           # stop when encounter vX.Y.Z-rc0. The -rc0 tag is added automatically when