[LyX/2.3.x] Add a couple files to gitignore

[Richard Kimberly Heck]

commit 5290f96e1ec4dc29062e3d14c573389a7de3421f
Author: Richard Kimberly Heck <rikiheck at lyx.org>
Date:   Tue Nov 22 21:02:10 2022 -0500

    Add a couple files to gitignore
---
 .gitignore |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/.gitignore b/.gitignore
index fb63569..649440d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,7 @@ build/
 CMakeLists.txt.user
 .dirstamp
 /src/tex2lyx/test/*.lyx.tex
+src/lyx_commit_hash.h
+src/moc_PreviewLoader.cpp
+src/support/moc_ConsoleApplicationPrivate.cpp
+src/support/moc_FileMonitor.cpp