ci: Update cache actions to v4. (#238)

Author: tjholm

.github/workflows/check-version.yaml

@@ -12,7 +12,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v2
     - name: Cache Yarn Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: 'node_modules'
         key: ${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}

.github/workflows/publish.yaml

@@ -15,7 +15,7 @@ jobs:
           token: ${{ secrets.NITRIC_BOT_TOKEN }}
 
       - name: Cache Dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: 'node_modules'
           key: ${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}

.github/workflows/test.yaml

@@ -13,7 +13,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Cache Yarn Cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: 'node_modules'
           key: ${{ runner.os }}-modules-${{ hashFiles('yarn.lock') }}