Merge pull request #99 from sazap10/use_0.15_asdf

use v0.15.0 of asdf

Author: sazap10

.github/workflows/ci.yml

@@ -9,6 +9,8 @@ jobs:
       uses: actions/checkout@v4
     - name: Install asdf & tools
       uses: asdf-vm/actions/install@v3
+      with:
+        asdf_branch: v0.15.0
     - name: golangci-lint
       run: golangci-lint run