Merge pull request #50 from apache/tristan/pip-support-new-python

sources/pip.py: List support for python 3.10 and 3.11
diff --git a/setup.py b/setup.py
index b80d347..b2cc263 100755
--- a/setup.py
+++ b/setup.py
@@ -57,6 +57,7 @@
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Topic :: Software Development :: Build Tools",
     ],
     description="A collection of plugins for BuildStream.",
diff --git a/src/buildstream_plugins/sources/pip.py b/src/buildstream_plugins/sources/pip.py
index 5c43263..4aff5a9 100644
--- a/src/buildstream_plugins/sources/pip.py
+++ b/src/buildstream_plugins/sources/pip.py
@@ -90,6 +90,8 @@
     "python3.7",
     "python3.8",
     "python3.9",
+    "python3.10",
+    "python3.11",
 ]
 
 # List of allowed extensions taken from