Improve workflows (#98)

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/pulls/98

.gitea/workflows/test.yml

@@ -3,42 +3,19 @@ on:
   - push
   - pull_request
 
-env:
-  GOPROXY: https://goproxy.io,direct
-  GOPATH: /go_path
-  GOCACHE: /go_cache
-
 jobs:
   lint:
     name: check and test
     runs-on: ubuntu-latest
     steps:
-      - name: cache go path
-        id: cache-go-path
-        uses: https://github.com/actions/cache@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
         with:
-          path: /go_path
-          key: go_path-${{ github.repository }}-${{ github.ref_name }}
-          restore-keys: |
-            go_path-${{ github.repository }}-
-            go_path-
-      - name: cache go cache
-        id: cache-go-cache
-        uses: https://github.com/actions/cache@v3
-        with:
-          path: /go_cache
-          key: go_cache-${{ github.repository }}-${{ github.ref_name }}
-          restore-keys: |
-            go_cache-${{ github.repository }}-
-            go_cache-
-      - uses: actions/setup-go@v3
-        with:
-          go-version: 1.20
-      - uses: actions/checkout@v3
+          go-version-file: 'go.mod'
       - name: vet checks
         run: go vet -v ./...
       - name: build
         run: go build -v ./...
       - name: test
-        run: go test -v ./pkg/jobparser
-        # TODO test more packages
+        run: | # Test only the new packages in this fork. Add more packages as needed. 
+          go test -v ./pkg/jobparser