Bump actions/checkout from 2 to 3 (#1213)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/branch_build.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     name: "Package and linting"
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: set up JDK 17
         uses: actions/setup-java@v2
         with:
@@ -37,7 +37,7 @@ jobs:
           - mvn --no-transfer-progress -pl '!webgoat-integration-tests' test
           - mvn --no-transfer-progress -pl webgoat-integration-tests test
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: set up JDK 17
         uses: actions/setup-java@v2
         with:

.github/workflows/pr_build.yml

@@ -28,7 +28,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
         java: [17]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v2
         with:

.github/workflows/release.yml

@@ -11,7 +11,7 @@ jobs:
     environment:
       name: release
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3
 
       - name: "Get tag name"
         id: tag
@@ -111,7 +111,7 @@ jobs:
     environment:
       name: release
     steps:
-      - uses: actions/checkout@v2.3.4
+      - uses: actions/checkout@v3
         with:
           ref: develop
           token: ${{ secrets.WEBGOAT_DEPLOYER_TOKEN }}