bumped action package

Author: dominikwilkowski

.github/workflows/testing.yml

@@ -7,10 +7,10 @@ defaults:
 on:
   push:
     branches:
-      - 'released'
+      - "released"
   pull_request:
     branches:
-      - 'released'
+      - "released"
 
 jobs:
   # ---------------------------------| RUST |--------------------------------- #
@@ -176,7 +176,7 @@ jobs:
         run: echo "::set-output name=dir::$(yarn cache dir)"
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ steps.yarn-cache.outputs.dir }}
           key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
@@ -233,7 +233,7 @@ jobs:
         run: echo "::set-output name=dir::$(yarn cache dir)"
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ steps.yarn-cache.outputs.dir }}
           key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}