ci: Bump script check runner size (#54615)

Since we build the workflows xtask on this runner, increasing the size
here to make that job faster.

Release Notes:

- N/A

.github/workflows/release.yml

@@ -241,7 +241,7 @@ jobs:
     timeout-minutes: 60
   check_scripts:
     if: (github.repository_owner == 'zed-industries' || github.repository_owner == 'zed-extensions')
-    runs-on: namespace-profile-2x4-ubuntu-2404
+    runs-on: namespace-profile-8x16-ubuntu-2204
     steps:
     - name: steps::checkout_repo
       uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd

.github/workflows/run_tests.yml

@@ -705,7 +705,7 @@ jobs:
     needs:
     - orchestrate
     if: needs.orchestrate.outputs.run_action_checks == 'true'
-    runs-on: namespace-profile-2x4-ubuntu-2404
+    runs-on: namespace-profile-8x16-ubuntu-2204
     steps:
     - name: steps::checkout_repo
       uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd