Update actions/checkout action to v6 (#74)

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

Author: renovate[bot]

.github/workflows/build.yaml

@@ -20,7 +20,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout source branch
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ env.SOURCE_BRANCH }}
           path: source-folder
@@ -66,7 +66,7 @@ jobs:
           fi
 
       - name: Checkout release branch
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ env.RELEASE_BRANCH }}
           path: release-folder
@@ -102,7 +102,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout release branch
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ env.RELEASE_BRANCH }}
       - name: Run the AI-assisted action (PR Summary)
@@ -123,7 +123,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout release branch
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ env.RELEASE_BRANCH }}
       - name: Run the AI-assisted action (PR Review)
@@ -143,7 +143,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout release branch
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ env.RELEASE_BRANCH }}
       - name: Create tags for new version

.github/workflows/code-quality.yaml

@@ -20,7 +20,7 @@ jobs:
         path: [pr-summary, pr-review]
     steps:
       - name: Checkout source branch
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - name: Setup Node
         uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
@@ -45,7 +45,7 @@ jobs:
         path: [pr-summary, pr-review]
     steps:
       - name: Checkout source branch
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - name: Setup Node
         uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with: