Bump scratch-l10n from 3.8.20200505213509 to 3.9.20200512112117

Bumps [scratch-l10n](https://github.com/LLK/scratch-l10n) from 3.8.20200505213509 to 3.9.20200512112117.
- [Release notes](https://github.com/LLK/scratch-l10n/releases)
- [Commits](https://github.com/LLK/scratch-l10n/commits)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package-lock.json

@@ -16196,9 +16196,9 @@
       "dev": true
     },
     "scratch-l10n": {
-      "version": "3.8.20200505213509",
-      "resolved": "https://registry.npmjs.org/scratch-l10n/-/scratch-l10n-3.8.20200505213509.tgz",
-      "integrity": "sha512-Vh4UQFlNuTcDgSySsR/wYzQ842IEEE8nrpqybKxd+LDVUw0fDOGFQ2aKyE8GyUWBnyDsnWQTmozU9yTmYfwKBw==",
+      "version": "3.9.20200512112117",
+      "resolved": "https://registry.npmjs.org/scratch-l10n/-/scratch-l10n-3.9.20200512112117.tgz",
+      "integrity": "sha512-RsCZGxPgIDLytqwp3Ixy1D1V+YzdIhb7fHIQx5trv9PDwB6oel4cNdKnC4wprCOXtd348f/iHhA0pi2Md6bjcw==",
       "dev": true,
       "requires": {
         "@babel/cli": "^7.1.2",