ci(build-and-upload): migrate to a reusable workflow

.github/workflows/build-and-upload.yml

@@ -0,0 +1,30 @@
+name: Build and Upload Artifacts
+
+on:
+  workflow_call:
+    secrets:
+      npm_token:
+        required: true
+
+jobs:
+  build-and-upload:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Run Setup
+        uses: ./.github/actions/setup
+        with:
+          npm_token: ${{ secrets.npm_token }}
+      - name: Build
+        shell: bash
+        run: yarn lerna run build --since=origin/master --include-dependencies
+      - name: Upload
+        uses: actions/upload-artifact@v4
+        with:
+          name: ci-builds-${{ github.run_id }}-${{ github.run_attempt }}
+          path: |
+            packages/core/dist/
+            packages/style/dist/
+          if-no-files-found: ignore

.github/workflows/ci.yml

@@ -6,16 +6,10 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Run Setup
-        uses: ./.github/actions/setup
-        with:
-          npm_token: ${{ secrets.npm_token }}
-      - uses: ./.github/actions/build-and-upload
+    name: Build
+    uses: .github/workflows/build-and-upload.yml
+    secrets:
+      npm_token: ${{ secrets.npm_token }}
   ci:
     needs: build
     runs-on: ubuntu-latest