Add support for py3.11 (open-telemetry#1415)

Author: srikanthccv

Diff for: CHANGELOG.md

@@ -29,6 +29,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#1323](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1323))
 - `opentelemetry-instrumentation-wsgi` Add support for regular expression matching and sanitization of HTTP headers.
   ([#1402](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1402))
+- Add support for py3.11
+  ([#1415](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1415))
 - `opentelemetry-instrumentation-falcon` Add support for regular expression matching and sanitization of HTTP headers.
   ([#1412](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/1412))
 - `opentelemetry-instrumentation-flask` Add support for regular expression matching and sanitization of HTTP headers.

Diff for: tox.ini

@@ -107,9 +107,6 @@ envlist =
     ; opentelemetry-exporter-prometheus-remote-write
     py3{6,7,8,9,10}-test-exporter-prometheus-remote-write
 
-    ; opentelemetry-exporter-prometheus-remote-write
-    py3{6,7,8,9,10}-test-exporter-prometheus-remote-write
-
     ; opentelemetry-instrumentation-mysql
     py3{7,8,9,10,11}-test-instrumentation-mysql
     pypy3-test-instrumentation-mysql