Git ignore po files ending in time_stamp

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Git ignore po files ending in time_stamp
fda57072 · Achilleas Pipinellis · ccfe6860 · fda57072
Verified Commit fda57072 authored 7 years ago by Achilleas Pipinellis
--- a/.gitignore
+++ b/.gitignore
@@ -63,4 +63,5 @@ eslint-report.html
 /.gitlab_workhorse_secret
 /webpack-report/
 /locale/**/LC_MESSAGES
+/locale/**/*.time_stamp
 /.rspec