Update github actions to v3

Author: kyle-wannacott

.github/workflows/jest.yml

@@ -13,7 +13,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Install modules
         run: npm ci
       - name: Run tests