Fix publish workflow to build before running tests

The test file test_ExtractExample.ts imports from dist/esm/index.mjs,
which requires the build step to complete first.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: RyanLCox1

.github/workflows/publish.yml

@@ -21,12 +21,12 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
-      - name: Run tests
-        run: npm test
-
       - name: Build
         run: npm run build
 
+      - name: Run tests
+        run: npm test
+
       - name: Set version from tag
         run: |
           VERSION=${GITHUB_REF#refs/tags/}