chore(deps): update ruby/setup-ruby action to v1.263.0 (CycloneDX#2366)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/repotests.yml

@@ -263,7 +263,7 @@ jobs:
           ~/.swiftly/bin/swiftly init --quiet-shell-followup && \
           . ~/.swiftly/env.sh && \
           hash -r
-      - uses: ruby/setup-ruby@1c58d16f1a2d74dc895c05f92d1e31ffe691110e # v1.261.0
+      - uses: ruby/setup-ruby@0481980f17b760ef6bca5e8c55809102a0af1e5a # v1.263.0
         with:
           ruby-version: '3.4'
       - name: Set up Python
@@ -1044,7 +1044,7 @@ jobs:
         uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: '3.13'
-      - uses: ruby/setup-ruby@1c58d16f1a2d74dc895c05f92d1e31ffe691110e # v1.261.0
+      - uses: ruby/setup-ruby@0481980f17b760ef6bca5e8c55809102a0af1e5a # v1.263.0
         with:
           ruby-version: '3.4'
       - name: pip install custom-json-diff