Update actions/cache action to v4 (#366)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Gavin John <[email protected]>

Author: renovate[bot]

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
 
       - name: Cache node_modules
         id: cache-npm-packages
-        uses: actions/cache@e12d46a63a90f2fae62d114769bbf2a179198b5c # v3.3.3
+        uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2 # v4.0.0
         env:
           cache-name: cache-node_modules
         with:

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
 
       - name: Cache node_modules
         id: cache-npm-packages
-        uses: actions/cache@e12d46a63a90f2fae62d114769bbf2a179198b5c # v3.3.3
+        uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2 # v4.0.0
         env:
           cache-name: cache-node_modules
         with: