chore(deps): update actions/checkout action to v6 (#63)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -24,7 +24,7 @@ jobs:
             cmake_args: -DBUILD_SHARED_LIBS=OFF
     steps:
       - name: Check out code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Configure
         run: cmake -B build -DCMAKE_BUILD_TYPE=Release ${{ matrix.type.cmake_args }}

.github/workflows/check-for-updates.yml

@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Check out code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       - name: Get latest SQLite version
         run: |