Bump androidx.webkit:webkit from 1.7.0 to 1.12.1 (#546)

Bumps androidx.webkit:webkit from 1.7.0 to 1.12.1.

---
updated-dependencies:
- dependency-name: androidx.webkit:webkit
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

android/build.gradle

@@ -159,7 +159,7 @@ dependencies {
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.core:core-ktx:1.10.1'
     implementation 'androidx.fragment:fragment-ktx:1.6.0'
-    implementation 'androidx.webkit:webkit:1.7.0'
+    implementation 'androidx.webkit:webkit:1.12.1'
     implementation 'com.google.android.material:material:1.9.0'
     implementation 'net.i2p.android.ext:floatingactionbutton:1.10.1'