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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       version: ${{ steps.semver.outputs.SCRATCH_VERSION }}
       hash: ${{ steps.semver.outputs.SCRATCH_HASH }}
     steps:
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: actions/setup-node@1a4442cacd436585916779262731d5b162bc6ec7 # v3
         with:
           cache: 'npm'
@@ -82,7 +82,7 @@ jobs:
       #  uses: lhotari/action-upterm@v1
       #  with:
       #    limit-access-to-users: cwillisf
-      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3
+      - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
       - uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4
         with:
           name: semantic-release-remote