Update GH actions to latest versions

Author: CodingItWrong

.github/workflows/test.yml

@@ -6,13 +6,13 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path
         run: echo "::set-output name=dir::$(yarn cache dir)"
 
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         id: yarn-cache
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}