Point CI and release workflows at core's shared workflows

Reference the reusable workflows in codefly-dev/core, and route ci.yml
through the shared go-service-ci workflow (adds the go.sum drift guard).

Author: AntoineToussaint

.github/workflows/ci.yml

@@ -1,21 +1,15 @@
 name: ci
+
 on:
   push:
     branches: [ main ]
   pull_request:
     branches: [ main ]
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
+
 jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version-file: 'go.mod'
-      - name: Build
-        run: go build ./...
-      - name: Vet
-        run: go vet ./...
+  ci:
+    uses: codefly-dev/core/.github/workflows/go-service-ci.yml@main

.github/workflows/releaser.yml

@@ -7,5 +7,5 @@ on:
 
 jobs:
   release:
-    uses: codefly-dev/.github/.github/workflows/go-service-release.yml@main
+    uses: codefly-dev/core/.github/workflows/go-service-release.yml@main
     secrets: inherit