vim-patch:9.2.0204: filetype: cps files are not recognized

Problem:  filetype: cps files are not recognized
Solution: Detect *.cps files as json filetype (Guillaume Barbier).

Reference:
https://github.com/cps-org/cps
https://cps-org.github.io/cps/

closes: vim/vim#19758

53884ba7a8

Co-authored-by: Guillaume Barbier <barbier.guillaume60@gmail.com>

runtime/lua/vim/filetype.lua

@@ -679,6 +679,7 @@ local extension = {
   bd = 'json',
   bda = 'json',
   xci = 'json',
+  cps = 'json',
   json5 = 'json5',
   jsonc = 'jsonc',
   jsonl = 'jsonl',