feat: adopt cephadm (#752)

diff --git a/.github/workflows/csi.yml b/.github/workflows/csi.yml
index 736763d..0f10664 100644
--- a/.github/workflows/csi.yml
+++ b/.github/workflows/csi.yml
@@ -38,7 +38,7 @@
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: v3-standard-16
     strategy:
       fail-fast: false
       matrix: