Update actions/cache action to v3 (#299)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

.github/workflows/tests.yml

@@ -29,7 +29,7 @@ jobs:
         id: yarn-cache-dir-path
         run: echo "::set-output name=dir::$(yarn cache dir)"
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         id: yarn-cache
         with:
           path: |
@@ -66,7 +66,7 @@ jobs:
         id: yarn-cache-dir-path
         run: echo "::set-output name=dir::$(yarn cache dir)"
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         id: yarn-cache
         with:
           path: |