deps/gha: bump ruby/setup-ruby from 1.160.0 to 1.161.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.160.0 to 1.161.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Commits](036ef458dd...8575951200)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/push-packagecloud.yml

@@ -42,7 +42,7 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Install ruby
-        uses: ruby/setup-ruby@036ef458ddccddb148a2b9fb67e95a22fdbf728b # v1.160.0
+        uses: ruby/setup-ruby@8575951200e472d5f2d95c625da0c7bec8217c42 # v1.161.0
         with:
           ruby-version: "3.0"
       - name: Install packagecloud