Fix release condition

Author: garaemon

.github/workflows/release.yml

@@ -33,8 +33,8 @@ jobs:
       - run: vsce package
         if: ${{ env.PRERELEASE == 'false' }}
       - run: vsce package --pre-release
-        if: ${{ env.PRERELEASE == true }}
+        if: ${{ env.PRERELEASE == 'true' }}
       - run: vsce publish -p ${{ secrets.VSCE_PAT }}
         if: ${{ env.PRERELEASE == 'false' }}
       - run: vsce publish -p ${{ secrets.VSCE_PAT }} --pre-release
-        if: ${{ env.PRERELEASE == 'false' }}
+        if: ${{ env.PRERELEASE == 'true' }}