Setup ruby before setup directories

When `makeup: true`, setup/directories also prepare auto generated
source files, and requires baseruby.

.github/workflows/ubuntu.yml

@@ -63,6 +63,11 @@ jobs:
         with:
           arch: ${{ matrix.arch }}
 
+      - uses: ruby/setup-ruby@d4526a55538b775af234ba4af27118ed6f8f6677 # v1.172.0
+        with:
+          ruby-version: '3.0'
+          bundler: none
+
       - uses: ./.github/actions/setup/directories
         with:
           srcdir: src
@@ -72,11 +77,6 @@ jobs:
           # Set fetch-depth: 10 so that Launchable can receive commits information.
           fetch-depth: 10
 
-      - uses: ruby/setup-ruby@d4526a55538b775af234ba4af27118ed6f8f6677 # v1.172.0
-        with:
-          ruby-version: '3.0'
-          bundler: none
-
       - name: Run configure
         env:
           arch: ${{ matrix.arch }}