patch 9.1.0076: luau config file not detected

Problem:  luau config file not detected
          (lopy)
Solution: Detect it as jsonc
          (lopy)

fixes: #13960
closes: #13970

Signed-off-by: lopy <70210066+lopi-py@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/filetype.vim

@@ -1244,6 +1244,9 @@ au BufNewFile,BufRead *.lua			setf lua
 " Luau
 au BufNewFile,BufRead *.luau		setf luau
 
+" Luau config
+au BufNewFile,BufRead .luaurc		setf jsonc
+
 " Luacheck
 au BufNewFile,BufRead .luacheckrc		setf lua
 

src/testdir/test_filetype.vim

@@ -351,7 +351,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     jproperties: ['file.properties', 'file.properties_xx', 'file.properties_xx_xx', 'some.properties_xx_xx_file', 'org.eclipse.xyz.prefs'],
     json: ['file.json', 'file.jsonp', 'file.json-patch', 'file.geojson', 'file.webmanifest', 'Pipfile.lock', 'file.ipynb', '.prettierrc', '.firebaserc', '.stylelintrc', 'file.slnf'],
     json5: ['file.json5'],
-    jsonc: ['file.jsonc', '.babelrc', '.eslintrc', '.jsfmtrc', '.jshintrc', '.hintrc', '.swrc', 'jsconfig.json', 'tsconfig.json', 'tsconfig.test.json', 'tsconfig-test.json'],
+    jsonc: ['file.jsonc', '.babelrc', '.eslintrc', '.jsfmtrc', '.jshintrc', '.hintrc', '.swrc', 'jsconfig.json', 'tsconfig.json', 'tsconfig.test.json', 'tsconfig-test.json', '.luaurc'],
     jsonl: ['file.jsonl'],
     jsonnet: ['file.jsonnet', 'file.libsonnet'],
     jsp: ['file.jsp'],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    76,
 /**/
     75,
 /**/