Add support for regular expression matching and sanitizing of headers in FastAPI. (open-telemetry#1403)

Author: Dan Rogers

CHANGELOG.md

@@ -11,6 +11,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `opentelemetry-instrumentation-pymysql` Add tests for commit() and rollback().
   ([#1424](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1424))
+- `opentelemetry-instrumentation-fastapi` Add support for regular expression matching and sanitization of HTTP headers.
+  ([#1403](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1403))
 
 ### Fixed