patch 9.0.1337: yuck files are not recognized

Problem:    Yuck files are not recognized.
Solution:   Add a filetype pattern for yuck files. (Amaan Qureshi,
            closes #12033)
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 8e88fa5..ed5f43e 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -664,6 +664,7 @@
     \ 'yacc': ['file.yy', 'file.yxx', 'file.y++'],
     \ 'yaml': ['file.yaml', 'file.yml', '.clangd', '.clang-format', '.clang-tidy'],
     \ 'yang': ['file.yang'],
+    \ 'yuck': ['file.yuck'],
     \ 'z8a': ['file.z8a'],
     \ 'zig': ['file.zig'],
     \ 'zimbu': ['file.zu'],
diff --git a/src/version.c b/src/version.c
index fd8e887..a665a2a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1337,
+/**/
     1336,
 /**/
     1335,