patch 9.0.0798: clang format configuration files are not recognized

Problem:    Clang format configuration files are not recognized.
Solution:   Use yaml for Clang format configuration files. (Marwin Glaser,
            closes #11398)
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 32c14ae..c6bacfb 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -641,7 +641,7 @@
     \ 'xsd': ['file.xsd'],
     \ 'xslt': ['file.xsl', 'file.xslt'],
     \ 'yacc': ['file.yy', 'file.yxx', 'file.y++'],
-    \ 'yaml': ['file.yaml', 'file.yml', '.clang-tidy'],
+    \ 'yaml': ['file.yaml', 'file.yml', '.clang-format', '.clang-tidy'],
     \ 'yang': ['file.yang'],
     \ 'z8a': ['file.z8a'],
     \ 'zig': ['file.zig'],
diff --git a/src/version.c b/src/version.c
index bf49946..e612e53 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    798,
+/**/
     797,
 /**/
     796,