Add waza to cspell words list

Agent-Logs-Url: https://github.com/Azure/azure-sdk-for-python/sessions/f23c7e69-9160-4cdf-b8e6-bf73ef819314

Co-authored-by: l0lawrence <100643745+l0lawrence@users.noreply.github.com>

Author: Copilot

.vscode/cspell.json

@@ -495,6 +495,7 @@
     "vnet",
     "volcz",
     "vsts",
+    "waza",
     "wchar",
     "wesh",
     "westcentralus",