Update rubygems/configure-rubygems-credentials action to v2.1.0

Author: renovate[bot]

.github/workflows/release-rubygem.yaml

@@ -22,5 +22,5 @@ jobs:
       - uses: ruby/setup-ruby@89f90524b88a01fe6e0b732220432cc6142926af # v1.313.0
         with:
           ruby-version: 4.0.5
-      - uses: rubygems/configure-rubygems-credentials@762a4b77c3300434bb57c7ce80b20e36231927aa # v2.0.0
+      - uses: rubygems/configure-rubygems-credentials@dc5a8d8553e6ee01fc26761a49e99e733d17954a # v2.1.0
       - uses: cucumber/action-publish-rubygem@4e79bb9aed597c835e8438f57c04d0996ab80d72 # v2.0.0