Use environment files

Author: xt0rted

.github/workflows/release.yml

@@ -19,7 +19,7 @@ jobs:
     steps:
       - name: Get version from tag
         id: tag_name
-        run: echo ::set-output name=current_version::${GITHUB_REF#refs/tags/v}
+        run: echo "current_version=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
 
       - name: Check out repository
         uses: actions/[email protected]