feat(provider/python)!: add python 3.13, drop 3.7 and 3.8 (EOL) #33022

https://devguide.python.org/versions/

Co-authored-by: Eisuke Kawashima <e-kwsm@users.noreply.github.com>

runtime/lua/vim/provider/python.lua

@@ -5,12 +5,11 @@ local s_host ---@type string?
 
 local python_candidates = {
   'python3',
+  'python3.13',
   'python3.12',
   'python3.11',
   'python3.10',
   'python3.9',
-  'python3.8',
-  'python3.7',
   'python',
 }