Merge pull request #59 from codacy/fix/keep-changes-go-mod

fix: Fix possible changes to users' go.mod files CY-4272

action.yml

@@ -151,7 +151,7 @@ runs:
           chmod +x /tmp/codacy-staticcheck
           cd -
 
-          find . -type f -name go.mod -exec bash -c 'cd $(dirname $1); PKGS=$(go list ./...); git checkout $1; /tmp/staticcheck/staticcheck -f json $PKGS' _ {} \; > /tmp/staticcheck-out.json
+          find . -type f -name go.mod -exec bash -c 'cd $(dirname $1); cp $1 $1.codacy.bak; PKGS=$(go list ./...); /tmp/staticcheck/staticcheck -f json $PKGS; mv $1.codacy.bak $1' _ {} \; > /tmp/staticcheck-out.json
           /tmp/codacy-staticcheck < /tmp/staticcheck-out.json > /tmp/codacy-out.json
           if [ ${{ inputs.upload }} = true ]; then
             curl -XPOST -L -H "$CURL_CODACY_AUTH_AUTHENTICATION" \