fix(ci): run build before lint so type-aware linting can resolve packages

Type-aware oxlint needs compiled type declarations from @blocknote/core
(and other packages) to resolve cross-package imports. Moving the build
step before lint ensures dist/ exists when the linter runs.

Author: nperez0111

.github/workflows/build.yml

@@ -31,12 +31,12 @@ jobs:
       - name: Install Dependencies
         run: vp install
 
-      - name: Lint packages
-        run: vp lint
-
       - name: Build packages
         run: vp run -r build
 
+      - name: Lint packages
+        run: vp lint
+
       - name: Run unit tests
         run: vp run -r test