Upgrade to the latest batch of CPythons. (#2521)

A bunch of releases yesterday - all active versions were bumped:
+ 3.8.20
+ 3.9.20
+ 3.10.15
+ 3.11.10
+ 3.12.6
+ 3.13.0rc2

docker/base/install_pythons.sh

@@ -8,16 +8,16 @@ export PYENV_ROOT=/pyenv
 # N.B.: The 1st listed version will supply the default `python` on the PATH; otherwise order does
 # not matter.
 PYENV_VERSIONS=(
-  3.11.9
+  3.11.10
   2.7.18
   3.5.10
   3.6.15
   3.7.17
-  3.8.19
-  3.9.19
-  3.10.14
-  3.12.5
-  3.13.0rc1
+  3.8.20
+  3.9.20
+  3.10.15
+  3.12.6
+  3.13.0rc2
   pypy2.7-7.3.17
   pypy3.5-7.0.0
   pypy3.6-7.3.3

pex/interpreter_constraints.py

@@ -320,11 +320,11 @@ def iter_compatible_versions(
     PythonVersion(Lifecycle.EOL, 3, 5, 10),
     PythonVersion(Lifecycle.EOL, 3, 6, 15),
     PythonVersion(Lifecycle.EOL, 3, 7, 17),
-    PythonVersion(Lifecycle.STABLE, 3, 8, 19),
-    PythonVersion(Lifecycle.STABLE, 3, 9, 19),
-    PythonVersion(Lifecycle.STABLE, 3, 10, 14),
-    PythonVersion(Lifecycle.STABLE, 3, 11, 9),
-    PythonVersion(Lifecycle.STABLE, 3, 12, 3),
+    PythonVersion(Lifecycle.STABLE, 3, 8, 20),
+    PythonVersion(Lifecycle.STABLE, 3, 9, 20),
+    PythonVersion(Lifecycle.STABLE, 3, 10, 15),
+    PythonVersion(Lifecycle.STABLE, 3, 11, 10),
+    PythonVersion(Lifecycle.STABLE, 3, 12, 6),
     PythonVersion(Lifecycle.DEV, 3, 13, 0),
 )