deps: actions/checkout action to v6 (#347)

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

Author: renovate[bot]

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
       CI: true
     steps:
       - name: Check out repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.SEEK_OSS_CI_GITHUB_TOKEN }}
@@ -54,7 +54,7 @@ jobs:
       CI: true
     steps:
       - name: Check out repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/validate.yml

@@ -12,7 +12,7 @@ jobs:
       CI: true
     steps:
       - name: Check out repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -57,7 +57,7 @@ jobs:
       CI: true
     steps:
       - name: Check out repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0