Update actions/cache action to v4 (#74)

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v3
       - name: Load cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             **/node_modules
@@ -63,7 +63,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v3
       - name: Load cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: '**/node_modules'
           key: ${{ runner.os }}-lint-modules-v1-${{ hashFiles('**/yarn.lock') }}
@@ -85,7 +85,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v3
       - name: Load cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: '**/node_modules'
           key: ${{ runner.os }}-docker-modules-v1-${{ hashFiles('**/yarn.lock') }}
@@ -112,7 +112,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v3
       - name: Load cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: '**/node_modules'
           key: ${{ runner.os }}-docs-modules-v1-${{ hashFiles('**/yarn.lock') }}