Update maven-publish.yml

Author: ludvikjerabek

.github/workflows/maven-publish.yml

@@ -32,8 +32,7 @@ jobs:
 
       - name: Extract version from tag
         id: extract_version
-        run: |
-          run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
+        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> "$GITHUB_ENV"
 
       - name: Set POM version
         run: |