Explicitly echo.

.github/workflows/nightly-release-macos.yaml

@@ -63,14 +63,14 @@ jobs:
         run: |
           old_tag_name=$(git describe --tags --abbrev=0)
           echo "old_tag_name=${old_tag_name}" >> $GITHUB_OUTPUT
-          git tag -d ${{ steps.old-tag.outputs.old_tag_name }}
-          git push origin :refs/tags/${{ steps.old-tag.outputs.old_tag_name }}
+          git tag -d $(echo ${{ steps.old-tag.outputs.old_tag_name }})
+          git push origin :refs/tags/$(echo ${{ steps.old-tag.outputs.old_tag_name }})
 
       - name: Create new tag
         run: |
-          new_tag_name=$(echo ${{ env.old_tag_name }} | sed -E 's/([0-9]+\.[0-9]+\.[0-9]+)-0\.nightly\.([0-9]+)\.([0-9]+)\.([0-9]+)/\1-nightly\2\3\4/')
-          git tag ${new_tag_name}
-          git push origin ${new_tag_name}
+          new_tag_name=$(echo ${{ steps.old-tag.outputs.old_tag_name }} | sed -E 's/([0-9]+\.[0-9]+\.[0-9]+)-0\.nightly\.([0-9]+)\.([0-9]+)\.([0-9]+)/\1-nightly\2\3\4/')
+          git tag $(echo ${new_tag_name})
+          git push origin $(echo ${new_tag_name})
       
       # - name: Set up remote cache access
         # env: