specify just major version for gh 'actions/cache' so dependabot doesnt hound us about minor and patch updates

Author: melange396

.github/workflows/blog.yaml

@@ -29,7 +29,7 @@ jobs:
         run: |
           Rscript ./dependencies.R
       - name: Restore Blogdown Cache
-        uses: actions/cache@v4.2.3
+        uses: actions/cache@v4
         with:
           path: |
             ./blogdown

.github/workflows/ci.yaml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: 18
-      - uses: actions/cache@v4.2.3
+      - uses: actions/cache@v4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node3-${{ hashFiles('**/package-lock.json') }}

.github/workflows/release_main.yml

@@ -47,7 +47,7 @@ jobs:
         with:
           node-version: 18
       - name: Cache Node.js modules
-        uses: actions/cache@v4.2.3
+        uses: actions/cache@v4
         with:
           path: ~/.npm # npm cache files are stored in `~/.npm` on Linux/macOS
           key: ${{ runner.OS }}-node2-${{ hashFiles('**/package-lock.json') }}