opentelemetry-instrumentation-urllib3: use pook instead of httpretty in tests

Since httpretty is abandoned.

Assisted-by: Cursor

Author: xrmx

instrumentation/opentelemetry-instrumentation-urllib3/test-requirements-0.txt

@@ -1,6 +1,6 @@
 asgiref==3.8.1
 Deprecated==1.2.14
-httpretty==1.1.4
+pook==2.1.6
 iniconfig==2.0.0
 packaging==24.0
 pluggy==1.5.0

instrumentation/opentelemetry-instrumentation-urllib3/test-requirements-1.txt

@@ -1,6 +1,6 @@
 asgiref==3.8.1
 Deprecated==1.2.14
-httpretty==1.1.4
+pook==2.1.6
 iniconfig==2.0.0
 packaging==24.0
 pluggy==1.5.0