Bump actions/checkout from 4.1.1 to 4.1.2 (exercism#2749)

Author: dependabot[bot]

.github/workflows/java.yml

@@ -15,7 +15,7 @@ jobs:
     name: Check if tests compile cleanly with starter sources
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: Set up JDK 1.17
         uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9
         with:
@@ -29,7 +29,7 @@ jobs:
     name: Lint Java files using Checkstyle
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: Set up JDK 1.17
         uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9
         with:
@@ -43,7 +43,7 @@ jobs:
     name: Test all exercises using java-test-runner
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: Test all exercises using java-test-runner
         run: bin/test-with-test-runner
       - name: Archive test results

.github/workflows/markdown.yml

@@ -17,6 +17,6 @@ jobs:
     name: Lint Markdown files
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: Lint markdown
         uses: DavidAnson/markdownlint-cli2-action@510b996878fc0d1a46c8a04ec86b06dbfba09de7