fix: workflow tag

Author: mahiarirani

.github/workflows/publish_ghcr.yaml

@@ -30,17 +30,25 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Extract version from tag
+        id: extract_version
+        run: |
+          REF_NAME=${GITHUB_REF#refs/tags/}
+          VERSION=${REF_NAME#v}
+          echo "VERSION=$VERSION" >> $GITHUB_ENV
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+
       - name: Build and push Docker image
         uses: docker/build-push-action@v4
         env:
-          TAG_NAME: ${{ github.ref && startsWith(github.ref, 'refs/tags/') && replace(replace(github.ref, 'refs/tags/', ''), 'v', '') || 'latest' }}
+          VERSION: ${{ steps.extract_version.outputs.version }}
         with:
           context: .
           push: true
           platforms: linux/amd64,linux/arm64/v8
           tags: |
-            ghcr.io/${{ github.repository_owner }}/etherproxy:${{ env.TAG_NAME }}
+            ghcr.io/${{ github.repository_owner }}/etherproxy:${{ env.VERSION }}
             ghcr.io/${{ github.repository_owner }}/etherproxy:latest
           labels: |
-            org.opencontainers.image.version=${{ env.TAG_NAME }}
+            org.opencontainers.image.version=${{ env.VERSION }}
             org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}