vim-patch:9.1.0324: filetype: some json files are not recognized

Problem:  filetype: some json files are not recognized
Solution: Detect '.jscsrc' and '.vsconfig' as jsonc filetype
          (Wu, Zhenyu)

See:
- https://github.com/microsoft/PowerToys/blob/main/.vsconfig
- https://jscs-dev.github.io/

closes: vim/vim#14452

c59a8648b2

Co-authored-by: Wu, Zhenyu <wuzhenyu@ustc.edu>

runtime/lua/vim/filetype.lua

@@ -1437,10 +1437,12 @@ local filename = {
   ['.babelrc'] = 'jsonc',
   ['.eslintrc'] = 'jsonc',
   ['.hintrc'] = 'jsonc',
+  ['.jscsrc'] = 'jsonc',
   ['.jsfmtrc'] = 'jsonc',
   ['.jshintrc'] = 'jsonc',
   ['.luaurc'] = 'jsonc',
   ['.swrc'] = 'jsonc',
+  ['.vsconfig'] = 'jsonc',
   ['.justfile'] = 'just',
   Kconfig = 'kconfig',
   ['Kconfig.debug'] = 'kconfig',