ci(zizmor): Add github/codeql-action to unpinned-uses config

Author: ValuedMammal

.github/zizmor.yml

@@ -6,3 +6,4 @@ rules:
         # Allow pin by ref/tag
         actions-rust-lang/setup-rust-toolchain: ref-pin
         actions/*: ref-pin
+        github/codeql-action/*: ref-pin