patch 9.1.1045: filetype: N-Tripels and TriG files are not recognized

Problem:  filetype: N-Tripels and TriG files are not recognized
Solution: detect '*.nt' files as ntriples filetype and '*.trig' files
          as trig filetype (Gordian Dziwis)

closes: #16493

Signed-off-by: Gordian Dziwis <gordian@dziw.is>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/testdir/test_filetype.vim

@@ -552,6 +552,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     nqc: ['file.nqc'],
     nroff: ['file.tr', 'file.nr', 'file.roff', 'file.tmac', 'file.mom', 'tmac.file'],
     nsis: ['file.nsi', 'file.nsh'],
+    ntriples: ['file.nt'],
     nu: ['file.nu'],
     obj: ['file.obj'],
     objdump: ['file.objdump', 'file.cppobjdump'],
@@ -817,6 +818,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     tpp: ['file.tpp'],
     trace32: ['file.cmm', 'file.t32'],
     treetop: ['file.treetop'],
+    trig: ['file.trig'],
     trustees: ['trustees.conf'],
     tsalt: ['file.slt'],
     tsscl: ['file.tsscl'],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1045,
 /**/
     1044,
 /**/