[fix] go-testing workflow

.github/workflows/go.yml

@@ -1,24 +1,40 @@
-name: i386 linux tests
+name: Go tests
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
   workflow_dispatch:
 
 jobs:
   build:
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
+
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v5 
         with:
           go-version: 1.21.4
-          cache: false
+          cache: 'mod'
+
+      - name: Cache Go modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cache/go-build
+            ~/go/pkg/mod
+          key: ${{ runner.os }}-go-mod-cache-${{ hashFiles('**/go.mod', '**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-mod-cache-latest
+
+      - name: Install dependencies
+        run: |
+          go mod download
+
       - name: Run tests
         run: go test -short ./...
         env:
           GOOS: linux
-          GOARCH: 386
+          GOARCH: amd64