Add type hints to dbapi (open-telemetry#3068)

Author: Kludex

Diff for: CHANGELOG.md

@@ -38,6 +38,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - `opentelemetry-instrumentation-httpx` Fix `RequestInfo`/`ResponseInfo` type hints
   ([#3105](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3105))
+- `opentelemetry-instrumentation-dbapi` Move `TracedCursorProxy` and `TracedConnectionProxy` to the module level
+  ([#3068](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3068))
 - `opentelemetry-instrumentation-click` Disable tracing of well-known server click commands
   ([#3174](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3174))
 - `opentelemetry-instrumentation` Fix `get_dist_dependency_conflicts` if no distribution requires

Diff for: docs/nitpick-exceptions.ini

@@ -41,6 +41,7 @@ py-class=
     callable
     Consumer
     confluent_kafka.Message
+    ObjectProxy
 
 any=
     ; API
@@ -68,6 +69,8 @@ any=
 
 py-obj=
     opentelemetry.propagators.textmap.CarrierT
+    opentelemetry.instrumentation.dbapi.ConnectionT
+    opentelemetry.instrumentation.dbapi.CursorT
 
 py-func=
     poll