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

.github/workflows/bump-versions-and-tag.yml

@@ -18,7 +18,7 @@ jobs:
   version_packages:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
         with:
           # Need custom service user token to allow bypassing default branch protection rules
           # to push a bumped version directly to default branch (master/main)

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node_version }}

.github/workflows/commitlint.yml

@@ -14,7 +14,7 @@ jobs:
   commitlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: wagoid/commitlint-github-action@v6
         with:
           # https://github.com/wagoid/commitlint-github-action?tab=readme-ov-file#commitdepth

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: actions/setup-node@v4
         with:
           node-version: '24.x'