Exclude development:test:sig:doc from gem release

Author: sferik

.github/workflows/push.yml

@@ -32,6 +32,8 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
+        env:
+          BUNDLE_WITHOUT: development:test:sig:doc
 
       - uses: rubygems/release-gem@v1
         env: