resyntax: build faster

CI uses an enhanced check-deps to report more failures, but resyntax
just needs a compiled project (I assume).

.github/workflows/resyntax-autofixer.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Installing frosthaven-manager and its dependencies
         run: make install
       - name: Compiling frosthaven-manager and building its docs
-        run: make check-deps RACO_SETUP_ARGS=--unused-pkg-deps
+        run: make setup
       - name: Create a Resyntax pull request
         uses: jackfirth/create-resyntax-pull-request@v0.4.1
         with: