Merge pull request #84 from package-url/dependabot/github_actions/actions/checkout-3.1.0

Bump actions/checkout from 2 to 3.1.0

Author: stevespringett

.github/workflows/maven.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
     - name: Set up JDK 1.8
       uses: actions/setup-java@v2
       with: