Update git ignore for test_fonts

Nothing cleans up the binary file, but we don't want it to be added to
the git repo.

Bug: 336625018
Change-Id: If31ce59894fa4fe2348b1d017d22387fe2eeccf2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5522344
Auto-Submit: Benjamin Joyce (Ben) <bjoyce@chromium.org>
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1297613}
NOKEYCHECK=True
GitOrigin-RevId: 257122ab0ecf1c2555cfdb43b75156d74ddc8c3d

.gitignore

diff --git a/.gitignore b/.gitignore
index 695e850..4081904 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 test_fonts/
+test_fonts.tar.gz
 /.*