Add Clang 21 CI build (#319)

offa · web-flow · commit 7eff55c33ad3 · 2025-09-02T15:54:29.000Z
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -14,8 +14,8 @@ jobs:
         compiler:
           - gcc:15
           - gcc:14
+          - clang:21
           - clang:20
-          - clang:19
         boost:
           - true
           - false
