Fixed changelog (#297)

Author: jeremydvoss

CHANGELOG.md

@@ -13,7 +13,7 @@
 - Fixing formatting issues for azure sdk
     ([#292](https://github.com/microsoft/ApplicationInsights-Python/pull/292))
 - Support OTEL_PYTHON_DISABLED_INSTRUMENTATIONS
-    ([#XXX](https://github.com/microsoft/ApplicationInsights-Python/pull/XXX))
+    ([#294](https://github.com/microsoft/ApplicationInsights-Python/pull/294))
 
 ## [1.0.0b12](https://github.com/microsoft/ApplicationInsights-Python/releases/tag/v1.0.0b12) - 2023-05-05