Add meeting minutes for 2025-11-06 (#361)

This was a quick short one.

Author: llvm-beanz

meetings/2025-11-06.md

@@ -0,0 +1,9 @@
+---
+title: 2025-11-06 - HLSL Working Group Minutes
+---
+
+* Discussion topics
+  * Maximal reconvergence tests
+    * https://github.com/llvm/offload-test-suite/pull/473
+    * Introduced tests are fragile to wave size and assume wave size == 8
+    * Justin also saw some failures on NV locally but not in the CI