quote SECRING_FILE

Author: jdaugherty

.github/workflows/release.yml

@@ -42,7 +42,7 @@ jobs:
       - name: "🔐 Generate key file for artifact signing"
         env:
           SECRING_FILE: ${{ secrets.SECRING_FILE }}
-        run: echo $SECRING_FILE | base64 -d > ${{ github.workspace }}/secring.gpg
+        run: echo "$SECRING_FILE" | base64 -d > ${{ github.workspace }}/secring.gpg
       - name: "Export .sdkmanrc properties"
         uses: apache/grails-github-actions/export-gradle-properties@asf
         with: