Bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/buildAndTest.yml

@@ -6,7 +6,7 @@ jobs:
     name: Check formatting
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Cache SBT & ivy cache
         uses: actions/cache@v2
         with:
@@ -23,7 +23,7 @@ jobs:
     name: Compile
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Cache SBT & ivy cache
         uses: actions/cache@v2
         with:
@@ -41,7 +41,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: compile
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Cache SBT & ivy cache
         uses: actions/cache@v2
         with:
@@ -58,7 +58,7 @@ jobs:
     name: Scapegoat
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Cache SBT & ivy cache
         uses: actions/cache@v2
         with:
@@ -75,7 +75,7 @@ jobs:
     name: Report Binary Issues
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Cache SBT & ivy cache
         uses: actions/cache@v2
         with: