Bump down to 8-core github runners
diff --git a/.github/workflows/go_test.yml b/.github/workflows/go_test.yml
index e71e1fc..2074f5e 100644
--- a/.github/workflows/go_test.yml
+++ b/.github/workflows/go_test.yml
@@ -19,7 +19,7 @@
   pull_request:
 jobs:
   test:
-    runs-on: "linux-x64-ubuntu-latest-64-core"
+    runs-on: "linux-x64-ubuntu-latest-8-core"
     steps:
       - uses: actions/checkout@v4
         with: