Merge branch 'main' into html_safe

ruby/actions/create-extractor-pack/action.yml

@@ -3,7 +3,7 @@ description: Builds the Ruby CodeQL pack
 runs:
   using: composite
   steps:
-    - uses: actions/cache@v2
+    - uses: actions/cache@v3
       with:
         path: |
           ~/.cargo/registry

ruby/ql/test/library-tests/dataflow/barrier-guards/barrier-guards.rb

@@ -85,7 +85,7 @@ else
     foo
 end
 
-if foos.index(foo)r == nil
+if foos.index(foo) == nil
     foo
 else
     foo