PictureLanguageUtils.updateLanguage NullPointerException

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## Current use version？
#### 当前使用的版本是多少？

```
v3.11.1
```

## Will this problem occur in demo?
#### Demo能否复现这问题？

```
不能
```

## Describe the problem or provide an error log？
#### 描述问题或提供错误log？

```
Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference

com.luck.picture.lib.language.PictureLanguageUtils.updateLanguage (PictureLanguageUtils.java:74)
com.luck.picture.lib.language.PictureLanguageUtils.applyLanguage (PictureLanguageUtils.java:68)
com.luck.picture.lib.language.PictureLanguageUtils.applyLanguage (PictureLanguageUtils.java:55)
com.luck.picture.lib.language.PictureLanguageUtils.setAppLanguage (PictureLanguageUtils.java:39)
com.luck.picture.lib.basic.PictureCommonFragment.initAppLanguage (PictureCommonFragment.java:1865)
com.luck.picture.lib.basic.PictureCommonFragment.onConfigurationChanged (PictureCommonFragment.java:352)
androidx.fragment.app.Fragment.performConfigurationChanged (Fragment.java:3077)

androidx.appcompat.app.AppCompatActivity.onConfigurationChanged (AppCompatActivity.java:226)
com.luck.picture.lib.basic.PictureSelectorSupporterActivity.onConfigurationChanged (PictureSelectorSupporterActivity.java:74)
android.app.ActivityThread.performActivityConfigurationChanged (ActivityThread.java:6104)

com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1074)
```

Start with PictureLanguageUtils.java at lines 39, 55, 68, and 74, then trace the call from PictureCommonFragment.java:1865 during onConfigurationChanged at line 352. Determine why the context is null in this path and verify that language updates no longer crash during configuration changes.

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