Update dependency ruby to v3.4.8 (#716)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [ruby](https://www.ruby-lang.org)
([source](https://redirect.github.com/ruby/ruby)) | uses-with | patch |
`3.4.7` -> `3.4.8` |

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.github/workflows/deploy-doc.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
       - uses: ruby/setup-ruby@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # v1.270.0
         with:
-          ruby-version: '3.4.7'
+          ruby-version: '3.4.8'
       - run: bundle install
       - name: Setup Pages
         uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b # v5.0.0

.github/workflows/publish.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: ruby/setup-ruby@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # v1.270.0
         with:
           bundler-cache: true
-          ruby-version: 3.4.7
+          ruby-version: 3.4.8
       - name: Update version file with the release version
         run: |
           if [ "${{ github.event_name }}" == "workflow_dispatch" ]; then