fix(deps): update dependency scratch-l10n to v6.0.51

Author: renovate[bot]

package-lock.json

@@ -111,7 +111,7 @@
     "redux-throttle": "0.1.1",
     "scratch-audio": "2.0.241",
     "scratch-blocks": "1.1.221",
-    "scratch-l10n": "6.0.50",
+    "scratch-l10n": "6.0.51",
     "scratch-paint": "3.0.339",
     "scratch-render-fonts": "1.0.233",
     "scratch-storage": "4.0.235",

packages/scratch-gui/package.json

@@ -90,7 +90,7 @@
     "json": "^9.0.4",
     "pngjs": "3.4.0",
     "scratch-blocks": "1.1.221",
-    "scratch-l10n": "6.0.50",
+    "scratch-l10n": "6.0.51",
     "scratch-render-fonts": "1.0.233",
     "scratch-semantic-release-config": "3.0.0",
     "scratch-webpack-configuration": "3.0.0",