[python3] Fix missing _ when discovering internal FindPython vars. (#37354)

ports/python3/vcpkg-cmake-wrapper.cmake

@@ -29,7 +29,7 @@ endif()
 
 if(_PythonFinder_WantLibs)
     find_path(
-        @PythonFinder_PREFIX@_INCLUDE_DIR
+        _@PythonFinder_PREFIX@_INCLUDE_DIR
         NAMES "Python.h"
         PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/include"
         PATH_SUFFIXES "python@PYTHON_VERSION_MAJOR@.@PYTHON_VERSION_MINOR@"

ports/python3/vcpkg.json

@@ -1,6 +1,7 @@
 {
   "name": "python3",
   "version": "3.11.8",
+  "port-version": 1,
   "description": "The Python programming language",
   "homepage": "https://github.com/python/cpython",
   "license": "Python-2.0",

versions/baseline.json

@@ -7002,7 +7002,7 @@
     },
     "python3": {
       "baseline": "3.11.8",
-      "port-version": 0
+      "port-version": 1
     },
     "qca": {
       "baseline": "2.3.7",

versions/p-/python3.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "fe70d9080f1c1254ec0495eb74f1d0a5c4b747f7",
+      "version": "3.11.8",
+      "port-version": 1
+    },
     {
       "git-tree": "ce86a5562b977fb3e02bd15d96d2de7c771aed41",
       "version": "3.11.8",