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

| datasource  | package          | from | to |
| ----------- | ---------------- | ---- | -- |
| github-tags | actions/checkout | v4   | v6 |


Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
           contents: read
 
         steps:
-            - uses: actions/checkout@v4
+            - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
               with:
                   persist-credentials: false
 

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
         if: startsWith(github.ref, 'refs/tags/v')
         steps:
             - name: Check out source code
-              uses: actions/checkout@v4
+              uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
               with:
                   persist-credentials: false