Add safe mode translation

Author: tannewt

locale/circuitpython.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-09-03 16:33-0700\n"
+"POT-Creation-Date: 2020-09-09 14:33-0700\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <[email protected]>\n"
@@ -582,6 +582,10 @@ msgid ""
 "boot. Press again to exit safe mode.\n"
 msgstr ""
 
+#: supervisor/shared/safe_mode.c
+msgid "CircuitPython was unable to allocate the heap.\n"
+msgstr ""
+
 #: shared-module/bitbangio/SPI.c
 msgid "Clock pin init failed."
 msgstr ""