chore(deps): update actions/cache digest to 8b402f5 (#78)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/cache](https://github.com/actions/cache) ([changelog](9255dc7a25..8b402f58fb)) | action | digest | `9255dc7` → `8b402f5` |

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Reviewed-on: #78
Reviewed-by: t.behrendt <t.behrendt@noreply.localhost>
Co-authored-by: Renovate Bot <renovate@t00n.de>
Co-committed-by: Renovate Bot <renovate@t00n.de>

.gitea/workflows/cd.yaml

@@ -39,7 +39,7 @@ jobs:
             go.sum
       - name: cache go
         id: cache-go
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5
+        uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5
         with:
           path: |
             /go_path

.gitea/workflows/ci.yaml

@@ -30,7 +30,7 @@ jobs:
             go.sum
       - name: cache go
         id: cache-go
-        uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5
+        uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5
         with:
           path: |
             /go_path