fix(ci): correct go.mod path in update-manifests workflow (#163)

Author: CalvinAllen

.github/workflows/update-manifests.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version-file: 'src/go.mod'
+          go-version-file: 'go.mod'
 
       - name: Generate manifests
         run: |