[rb] Disable prebuilt Ruby on CI

Author: p0deje

.github/workflows/bazel.yml

@@ -118,9 +118,10 @@ jobs:
         run: echo '${{ inputs.python-version }}' > py/.python-version
       - name: Set Ruby version
         if: inputs.ruby-version != ''
-        run: |
-          echo '${{ inputs.ruby-version }}' > rb/.ruby-version
-          sed '/^[[:space:]]*rv_version/d' MODULE.bazel > MODULE.bazel.tmp && mv MODULE.bazel.tmp MODULE.bazel
+        run: echo '${{ inputs.ruby-version }}' > rb/.ruby-version
+      - name: Disable prebuilt Ruby
+        if: inputs.ruby-version != '' && inputs.os != 'windows'
+        run: sed '/^[[:space:]]*rv_version/d' MODULE.bazel > MODULE.bazel.tmp && mv MODULE.bazel.tmp MODULE.bazel
       - name: Setup Node
         if: inputs.node-version != ''
         uses: actions/setup-node@v4

.github/workflows/ci-ruby.yml

@@ -87,6 +87,7 @@ jobs:
       browser: ${{ matrix.browser }}
       os: ${{ matrix.os }}
       rerun-with-debug: true
+      ruby-version: 3.2.9
       run: >
         bazel test
         --keep_going