Python: Replace type tracking with global data-flow

This takes care of most of the false negatives from the preceding
commit.

Additionally, we add models for some known wrappers of `socket.socket`
from the `gevent` and `eventlet` packages.

shared/mad/codeql/mad/ModelValidation.qll

@@ -48,7 +48,7 @@ module KindValidation<KindValidationConfigSig Config> {
           // CPP-only currently
           "remote-sink",
           // Python-only currently, but may be shared in the future
-          "prompt-injection"
+          "bind-socket-all-interfaces", "prompt-injection"
         ]
       or
       this.matches([