fix(github-actions): pin the version for action/cache to the full sha

Author: josephperrott

github-actions/setup-wsl/action.yml

@@ -106,7 +106,7 @@ runs:
 
     - name: Restore WSL NVM cache
       id: cache-nvm
-      uses: actions/cache@v5
+      uses: actions/cache@a7833574556fa59680c1b7cb190c1735db73ebf0 # v5.0.0
       with:
         path: ~/.cache/wsl_nvm_cache.tar.gz
         key: wsl-nvm-cache-v1-${{hashFiles('**/.nvmrc')}}