Improve workflows (#516)

Starting from setup-go v4, it will cache build dependencies by default, see https://github.com/actions/setup-go#caching-dependency-files-and-build-outputs.

Also bump some versions.

Reviewed-on: https://gitea.com/gitea/act_runner/pulls/516
Reviewed-by: silverwind <silverwind@noreply.gitea.com>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Jason Song <i@wolfogre.com>
Co-committed-by: Jason Song <i@wolfogre.com>

.gitea/workflows/test.yml

@@ -3,33 +3,15 @@ on:
   - push
   - pull_request
 
-env:
-  GOPATH: /go_path
-  GOCACHE: /go_cache
-
 jobs:
   lint:
     name: check and test
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-go@v4
+      - uses: actions/setup-go@v5
         with:
-          go-version: '>=1.21.0'
-      - uses: https://gitea.com/actions/go-hashfiles@v0.0.1
-        id: hash-go
-        with:
-          patterns: |
-            go.mod
-            go.sum
-      - name: cache go
-        id: cache-go
-        uses: https://github.com/actions/cache@v3
-        with:
-          path: |
-            /go_path
-            /go_cache
-          key: go_path-${{ steps.hash-go.outputs.hash }}
+          go-version-file: 'go.mod'
       - name: vet checks
         run: make vet
       - name: build