component/python3: update all python3 versions (and add python 3.11)

component/python3/buildout.cfg

@@ -51,23 +51,29 @@ environment =
 [python3.7]
 <= python3-common
 version = 3.7
-package_version = 3.7.13
-md5sum = 10822726f75fd7efe05a94fbd6ac2258
+package_version = 3.7.15
+md5sum = d2ff16776b5d822efc2a7cbf42fc2915
 
 [python3.8]
 <= python3-common
 version = 3.8
-package_version = 3.8.13
-md5sum = c4b7100dcaace9d33ab1fda9a3a038d6
+package_version = 3.8.15
+md5sum = cca78a827d2327f5c3ff2dee9f526e7e
 
 [python3.9]
 <= python3-common
 version = 3.9
-package_version = 3.9.13
-md5sum = 5e2411217b0060828d5f923eb422a3b8
+package_version = 3.9.15
+md5sum = 8adc5662c9fd10a23ae8ae9f28b65b49
 
 [python3.10]
 <= python3-common
 version = 3.10
-package_version = 3.10.6
-md5sum = afc7e14f7118d10d1ba95ae8e2134bf0
+package_version = 3.10.8
+md5sum = e92356b012ed4d0e09675131d39b1bde
+
+[python3.11]
+<= python3-common
+version = 3.11
+package_version = 3.11.0
+md5sum = fe92acfa0db9b9f5044958edb451d463