Update release workflow and create GitHub release for v1.0.0

.github/workflows/release.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ "master" ]
 
+permissions:
+  contents: write
+
 env:
   CARGO_TERM_COLOR: always
 
@@ -31,16 +34,16 @@ jobs:
             mkdir -p target/release/
           fi
           cp ${{ steps.build_musl.outputs.release_dir }}dnat target/release/dnat;
-      - name: gihub_release
+      - name: gihub release
+        if: github.event_name == 'push' && github.ref == 'refs/heads/master' 
         env:
           GH_TOKEN: ${{ github.token }}
         run: |
-          if $(gh release delete v1.0.0 -y --cleanup-tag); 
+          version='1.0.0'
+          if $(gh release delete v${version} -y --cleanup-tag); 
             then echo "delete old release"; 
             else echo "no old release";
           fi
           git config --local user.email "[email protected]"
           git config --local user.name "arloor"
-          # git tag  -f v1.0.0 -m 'latest'
-          # git push --force origin v1.0.0
-          gh release create v1.0.0 target/release/dnat target/release/dnat_gnu -n "latest" --latest -t latest  --target master
+          gh release create v${version} target/release/dnat target/release/dnat_gnu -n "$version" -t "$version" --latest