vim-patch:8.2.1566: not all Bazel files are recognized

Problem:    Not all Bazel files are recognized.
Solution:   Add *.bazel and *.BUILD. (closes vim/vim#6836)
4488f5a545

src/nvim/testdir/test_filetype.vim

@@ -75,6 +75,7 @@ let s:filename_checks = {
     \ 'ave': ['file.ave'],
     \ 'awk': ['file.awk', 'file.gawk'],
     \ 'b': ['file.mch', 'file.ref', 'file.imp'],
+    \ 'bzl': ['file.bazel', 'file.bzl', 'WORKSPACE'],
     \ 'bc': ['file.bc'],
     \ 'bdf': ['file.bdf'],
     \ 'bib': ['file.bib'],
@@ -526,6 +527,7 @@ let s:filename_checks = {
 
 let s:filename_case_checks = {
     \ 'modula2': ['file.DEF', 'file.MOD'],
+    \ 'bzl': ['file.BUILD', 'BUILD'],
     \ }
 
 func CheckItems(checks)