ci: target native arcd runners (evo/spark)

Replace retired self-hosted labels with native host arcd daemons:
evo (linux/amd64), spark (linux/arm64).

Co-authored-by: Hanzo Dev <[email protected]>

.github/workflows/build-lux.yml

@@ -31,7 +31,7 @@ env:
 
 jobs:
   build:
-    runs-on: lux-build
+    runs-on: evo
     permissions:
       contents: read
       packages: write
@@ -80,7 +80,7 @@ jobs:
   deploy:
     needs: build
     if: github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
-    runs-on: lux-build
+    runs-on: evo
     permissions:
       contents: read
     steps: