Bump rubygems/configure-rubygems-credentials from 2.0.0 to 2.1.0 (#735)

Bumps [rubygems/configure-rubygems-credentials](https://github.com/rubygems/configure-rubygems-credentials) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/rubygems/configure-rubygems-credentials/releases)
- [Commits](rubygems/configure-rubygems-credentials@762a4b7...dc5a8d8)

---
updated-dependencies:
- dependency-name: rubygems/configure-rubygems-credentials
  dependency-version: 2.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/push_gem.yml

@@ -12,7 +12,7 @@ jobs:
       contents: write
       id-token: write
     steps:
-      - uses: rubygems/configure-rubygems-credentials@762a4b77c3300434bb57c7ce80b20e36231927aa # v2.0.0
+      - uses: rubygems/configure-rubygems-credentials@dc5a8d8553e6ee01fc26761a49e99e733d17954a # v2.1.0
         with:
           role-to-assume: ${{ secrets.RUBYGEMS_PUSH_ROLE }}
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0