[KocalBiomeJsBundle] Pin explicit version

I should have done this at the very first, but it's the same than symfony/recipes#1383

Author: Kocal

kocal/biome-js-bundle/1.1/config/packages/kocal_biome_js.yaml

@@ -3,5 +3,5 @@ when@dev:
         # Biome.js CLI version to use:
         # - "latest_stable": use the latest stable version
         # - "latest_nightly": use the latest nightly version
-        # - or a specific version, e.g. "v1.8.3", find available tags at https://github.com/biomejs/biome/tags
-        binary_version: 'latest_stable'
+        # - or a specific version, e.g. "v1.9.4", find available tags at https://github.com/biomejs/biome/tags
+        binary_version: 'v1.9.4'