making sure rcodesign is executable

Author: pamidur

.github/workflows/application.yml

@@ -43,6 +43,7 @@ jobs:
       working-directory: nuget
       run: |
         echo $CODESIGN_CERT > cert.pem
+        chmod +x ./rcodesign
         dotnet pack -c $app_conf --no-build -o `pwd`/artifacts -p:Version=$app_version -p:CommitSHA=$GITHUB_SHA -p:OSXCertPath=cert.pem
         rm cert.pem
     - uses: actions/upload-artifact@v1