Bug 1748581 - Update l10n changesets with daily builds r=aki

Differential Revision: https://phabricator.services.mozilla.com/D135947

.cron.yml

@@ -31,6 +31,8 @@ jobs:
           by-project:
               # Please update the `searchfox-index` job `mozilla-central` `when`
               # times as well if updating the times here.
+              # `l10n-bumper` job should also have enough time to finish before
+              # this job runs
               mozilla-central: [{hour: 10, minute: 0}, {hour: 22, minute: 0}]
               # No default
 
@@ -279,7 +281,12 @@ jobs:
           - mozilla-central
           - mozilla-beta
       when:
-          - {hour: 18, minute: 45}
+        by-project:
+            # 3h15m before launch of `nightly-desktop`
+            mozilla-central: [{hour: 6, minute: 45}, {hour: 18, minute: 45}]
+            # 3h15m before launch of `daily-releases`
+            mozilla-beta: [{hour: 18, minute: 45}]
+            # No default
 
     - name: system-symbols
       job:

taskcluster/ci/l10n-bump/kind.yml

@@ -72,6 +72,7 @@ job-defaults:
                 default:
                     name: Firefox l10n changesets
                     path: browser/locales/l10n-changesets.json
+                    l10n-repo-url: "https://hg.mozilla.org/l10n-central/%(locale)s/json-pushes?version=2&tipsonly=1"
                     version-path: browser/config/version.txt
                     ignore-config:
                         ja: