chore: Update cache action (#111)

Author: ospencer

.github/workflows/esy.yml

@@ -38,7 +38,7 @@ jobs:
 
       - name: Esy cache
         id: esy-cache
-        uses: actions/cache@v3.3.1
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
         with:
           path: _export
           key: ${{ runner.os }}-esy-${{ hashFiles('esy.lock/index.json') }}