hopefully fix

.github/workflows/go.yml

@@ -1,4 +1,4 @@
-# This workflow will build a golang project
+# This workflow will build a Golang project
 # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
 
 name: Go
@@ -10,19 +10,32 @@ on:
     branches: [ "main" ]
 
 jobs:
-
   build:
     runs-on: ubuntu-latest
+
     steps:
-    - uses: actions/checkout@v4
+    - name: Checkout code
+      uses: actions/checkout@v4
 
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
         go-version: '1.20'
 
+    - name: Cache Go modules
+      uses: actions/cache@v4
+      with:
+        path: |
+          src/go/pkg/mod
+          src/go.sum
+        key: ${{ runner.os }}-go-${{ hashFiles('src/**/go.sum') }}
+        restore-keys: |
+          ${{ runner.os }}-go-
+
     - name: Build
+      working-directory: src
       run: go build -v ./...
 
     - name: Test
+      working-directory: src
       run: go test -v ./...