Use swift:6.1-noble for documentation check (#235)

Author: fboemer

.github/workflows/ci.yml

@@ -24,6 +24,9 @@ jobs:
     with:
       # https://github.com/swiftlang/swift-package-manager/issues/8103
       api_breakage_check_enabled: false
+      # swift:6.2-noble leads to issues with Snippets
+      # e.g. https://github.com/apple/swift-homomorphic-encryption/actions/runs/18144503507/job/51643132814#step:5:1087
+      docs_check_container_image: swift:6.1-noble
       format_check_enabled: false
   tests:
     name: swifttests