misc/github: bump actions/cache to v4.2.2.

Author: pennam

.github/workflows/client-test.yml

@@ -32,7 +32,7 @@ jobs:
       uses: actions/checkout@v3
 
     - name: '♻ Caching dependencies'
-      uses: actions/cache@v3.3.1
+      uses: actions/cache@v4.2.2
       id: cache
       with:
         path: ~/cache/bin/