fix(ci): add cache-dependency-path to setup-go (fix go.sum not found warning)

.gitea/workflows/build_device_agent.yaml

@@ -23,6 +23,7 @@ jobs:
         with:
           go-version: '1.26'
           cache: true
+          cache-dependency-path: apps/device-agent/go.sum
 
       - uses: https://gitea.com/actions/go-hashfiles@v0.0.1
         id: hash-src

.gitea/workflows/build_server_core.yaml

@@ -23,6 +23,7 @@ jobs:
         with:
           go-version: '1.26'
           cache: true
+          cache-dependency-path: apps/server-core/go.sum
 
       - uses: https://gitea.com/actions/go-hashfiles@v0.0.1
         id: hash-src

.gitea/workflows/ci.yml

@@ -29,6 +29,7 @@ jobs:
         with:
           go-version: '1.26'
           cache: true
+          cache-dependency-path: apps/server-core/go.sum
       - name: Test (skip nftables - needs root)
         working-directory: apps/server-core
         run: go test $(go list ./... | grep -v internal/firewall) -tags dev -cover -count=1
@@ -49,6 +50,7 @@ jobs:
         with:
           go-version: '1.26'
           cache: true
+          cache-dependency-path: apps/device-agent/go.sum
       - name: Test
         working-directory: apps/device-agent
         run: go test ./... -cover