Adjust dev tools install

recipes/common/jp-packages-bootc.yml

@@ -1,9 +1,6 @@
 ---
 # yaml-language-server: $schema=https://schema.blue-build.org/module-list-v1.json
 modules:
-  - type: script
-    snippets:
-      - rpm --import https://brave-browser-rpm-release.s3.brave.com/brave-core.asc
   - type: dnf
     source: local
     optfix:
@@ -11,6 +8,8 @@ modules:
     repos:
       - https://pkgs.tailscale.com/stable/fedora/tailscale.repo
       - https://brave-browser-rpm-release.s3.brave.com/brave-browser.repo
+    keys:
+      - https://brave-browser-rpm-release.s3.brave.com/brave-core.asc
     install:
       packages:
         - libadwaita