chore(deps): update actions/checkout action to v6.0.3 (#59)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://github.com/actions/checkout) | action | patch | `v6.0.2` → `v6.0.3` |

---

### Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

### [`v6.0.3`](https://github.com/actions/checkout/blob/HEAD/CHANGELOG.md#v603)

[Compare Source](https://github.com/actions/checkout/compare/v6.0.2...v6.0.3)

- Fix checkout init for SHA-256 repositories by [@&#8203;yaananth](https://github.com/yaananth) in [#&#8203;2439](https://github.com/actions/checkout/pull/2439)
- fix: expand merge commit SHA regex and add SHA-256 test cases by [@&#8203;yaananth](https://github.com/yaananth) in [#&#8203;2414](https://github.com/actions/checkout/pull/2414)

</details>

---

### Configuration

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---

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---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My41LjQiLCJ1cGRhdGVkSW5WZXIiOiI0My41LjQiLCJ0YXJnZXRCcmFuY2giOiJtYWluIiwibGFiZWxzIjpbImFjdGlvbiIsImRlcHMiXX0=-->

Reviewed-on: #59
Reviewed-by: t.behrendt <2+t.behrendt@noreply.localhost>
Co-authored-by: Renovate Bot <renovate@t00n.de>
Co-committed-by: Renovate Bot <renovate@t00n.de>

.gitea/workflows/deploy.yaml

@@ -41,7 +41,7 @@ jobs:
       has_helmfile: ${{ steps.check-helmfile.outputs.exists }}
       has_k8s: ${{ steps.check-k8s.outputs.exists }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Check if helmfile.yaml exists
         id: check-helmfile
         run: |
@@ -68,7 +68,7 @@ jobs:
     needs: detect-service-type
     if: inputs.skip_shared_secrets_deployment != 'true'
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - uses: https://gitea.t000-n.de/t.behrendt/k_deploy_actions/.gitea/actions/extract-namespace-from-repo-name@0.0.1
         id: namespace
         with:
@@ -97,7 +97,7 @@ jobs:
     needs: detect-service-type
     if: needs.detect-service-type.outputs.has_k8s == 'true'
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - uses: https://gitea.t000-n.de/t.behrendt/k_deploy_actions/.gitea/actions/extract-namespace-from-repo-name@0.0.1
         id: namespace
         with:
@@ -123,7 +123,7 @@ jobs:
       needs.detect-service-type.outputs.has_k8s == 'true' && 
       inputs.skip_helm_deployment != 'true'
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - uses: https://gitea.t000-n.de/t.behrendt/k_deploy_actions/.gitea/actions/extract-namespace-from-repo-name@0.0.1
         id: namespace
         with:

.gitea/workflows/release.yaml

@@ -14,7 +14,7 @@ jobs:
     name: Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0
       - name: Increment tag

.gitea/workflows/validate.yaml

@@ -36,7 +36,7 @@ jobs:
       has_helmfile: ${{ steps.check-helmfile.outputs.exists }}
       has_k8s: ${{ steps.check-k8s.outputs.exists }}
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - name: Check if helmfile.yaml exists
         id: check-helmfile
         run: |
@@ -63,7 +63,7 @@ jobs:
     needs: detect-service-type
     if: needs.detect-service-type.outputs.has_k8s == 'true'
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - uses: https://gitea.t000-n.de/t.behrendt/k_deploy_actions/.gitea/actions/extract-namespace-from-repo-name@0.0.1
         id: namespace
         with:
@@ -88,7 +88,7 @@ jobs:
       needs.detect-service-type.outputs.has_k8s == 'true' && 
       inputs.skip_helm_validation != 'true'
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
       - uses: https://gitea.t000-n.de/t.behrendt/k_deploy_actions/.gitea/actions/extract-namespace-from-repo-name@0.0.1
         id: namespace
         with: