vim-patch:8.2.4855: robot files are not recognized (#18364)

Problem:    Robot files are not recognized.
Solution:   Add patterns for robot files. (Zoe Roux, closes vim/vim#10339)
2096a5f128

runtime/filetype.vim

@@ -1588,6 +1588,9 @@ au BufNewFile,BufRead *.rng			setf rng
 " RPL/2
 au BufNewFile,BufRead *.rpl			setf rpl
 
+" Robot Framework
+au BufNewFile,BufRead *.robot,*.resource	setf robot
+
 " Robots.txt
 au BufNewFile,BufRead robots.txt		setf robots
 

runtime/lua/vim/filetype.lua

@@ -561,6 +561,8 @@ local extension = {
   snw = "rnoweb",
   Rnw = "rnoweb",
   Snw = "rnoweb",
+  robot = "robot",
+  resource = "robot",
   rsc = "routeros",
   x = "rpcgen",
   rpl = "rpl",

src/nvim/testdir/test_filetype.vim

@@ -456,6 +456,7 @@ let s:filename_checks = {
     \ 'rib': ['file.rib'],
     \ 'rnc': ['file.rnc'],
     \ 'rng': ['file.rng'],
+    \ 'robot': ['file.robot', 'file.resource'],
     \ 'robots': ['robots.txt'],
     \ 'routeros': ['file.rsc'],
     \ 'rpcgen': ['file.x'],