Bug 1686615 - replace pgo certs. r=kjacobs

via `./mach python build/pgo/genpgocert.py` per https://bugzilla.mozilla.org/show_bug.cgi?id=1525191#c1 Differential Revision: https://phabricator.services.mozilla.com/D101697
2021-01-14 17:35:18 +00:00 · 2021-01-14 17:35:18 +00:00 · d409537a62
--- a/build/pgo/certs/cert9.db
+++ b/build/pgo/certs/cert9.db
--- a/build/pgo/certs/key4.db
+++ b/build/pgo/certs/key4.db
--- a/build/pgo/certs/mochitest.client
+++ b/build/pgo/certs/mochitest.client