chore: Bump actions/checkout from 3.0.2 to 3.1.0 (#139)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.0.2 to 3.1.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@2541b12...93ea575)

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

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

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

Author: dependabot[bot]

.github/workflows/merge.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
+    - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
     - name: Set up JDK 8
       uses: actions/setup-java@e150063ee446b60ce2e35b040e81846da9001576
       with:

.github/workflows/pullrequest.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Check out the code
-        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
 
       - name: Set up JDK 8
         uses: actions/setup-java@e150063ee446b60ce2e35b040e81846da9001576

.github/workflows/release.yml

@@ -29,7 +29,7 @@ jobs:
       # These steps are only run if this was a merged release-please PR
       - name: checkout
         if: ${{ steps.release.outputs.releases_created }}
-        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
       - name: Set up JDK 8
         if: ${{ steps.release.outputs.releases_created }}
         uses: actions/setup-java@e150063ee446b60ce2e35b040e81846da9001576

.github/workflows/static-code-scanning.yaml

@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL