Extension: Update translation files

Updated by "Update PO files to match POT (msgmerge)" hook in Weblate.

Translation: Night Theme Switcher/Extension
Translate-URL: https://hosted.weblate.org/projects/night-theme-switcher/extension/

src/po/zh_CN.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Night Theme Switcher\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2022-04-05 12:01+0200\n"
+"POT-Creation-Date: 2022-04-26 22:37+0200\n"
 "PO-Revision-Date: 2022-04-16 02:11+0000\n"
 "Last-Translator: Dingzhong Chen <wsxy162@gmail.com>\n"
 "Language-Team: Chinese (Simplified) <https://hosted.weblate.org/projects/"
@@ -433,36 +433,38 @@ msgstr "夜间模式"
 msgid ":"
 msgstr ":"
 
-#: src/modules/TimerOndemand.js:212
+#: src/modules/TimerOndemand.js:213
 msgid "Turn Night Mode Off"
 msgstr "关闭夜间模式"
 
-#: src/modules/TimerOndemand.js:212
+#: src/modules/TimerOndemand.js:213
 msgid "Turn Night Mode On"
 msgstr "开启夜间模式"
 
-#: src/modules/TimerOndemand.js:227
+#: src/modules/TimerOndemand.js:228
 msgid "Extension Settings"
 msgstr "扩展程序设置"
 
-#: src/modules/TimerOndemand.js:235
+#: src/modules/TimerOndemand.js:237
 msgid "Night Mode Off"
 msgstr "夜间模式已关闭"
 
-#: src/modules/TimerOndemand.js:235
+#: src/modules/TimerOndemand.js:237
 msgid "Night Mode On"
 msgstr "夜间模式已开启"
 
-#: src/modules/TimerOndemand.js:236
+#: src/modules/TimerOndemand.js:238
 msgid "Turn Off"
 msgstr "关闭"
 
-#: src/modules/TimerOndemand.js:236
+#: src/modules/TimerOndemand.js:238
 msgid "Turn On"
 msgstr "开启"
 
-#: src/preferences/BackgroundButton.js:71
-msgid "Only JPEG, PNG, TIFF and XML files can be set as background image."
+#: src/preferences/BackgroundButton.js:74
+#, fuzzy
+#| msgid "Only JPEG, PNG, TIFF and XML files can be set as background image."
+msgid "Only JPEG, PNG, TIFF, SVG and XML files can be set as background image."
 msgstr "背景图片必须是 JPEG、PNG、TIFF 或 XML 格式。"
 
 #: src/preferences/SchedulePage.js:48