run-tests: bump actions and node (#3390)

Bumps actions and also bumps node from 15 to 18

Co-authored-by: Josh Hanley <josh@hitsystems.com.au>

.github/workflows/run-tests.yml

@@ -4,10 +4,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-node@v2
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
         with:
-          node-version: '15'
+          node-version: '18'
       - run: npm install
       - run: npm run build
       - run: npm run test