Update scikit-learn version

Fixes #517

Author: ocelotl

Diff for: instrumentation/opentelemetry-instrumentation-sklearn/setup.cfg

@@ -40,7 +40,7 @@ packages=find_namespace:
 install_requires =
     opentelemetry-api == 1.3.0.dev0
     opentelemetry-instrumentation == 0.22.dev0
-    scikit-learn ~= 0.22.0
+    scikit-learn ~= 0.24.0
 
 [options.extras_require]
 test =

Diff for: tox.ini

@@ -138,7 +138,7 @@ envlist =
     pypy3-test-instrumentation-celery
 
     ; opentelemetry-instrumentation-sklearn
-    py3{6,7,8}-test-instrumentation-sklearn
+    py3{6,7,8,9}-test-instrumentation-sklearn
 
     ; opentelemetry-instrumentation-tornado
     py3{6,7,8,9}-test-instrumentation-tornado