Bump ktlint from 0.41.0 to 0.42.0

Bumps [ktlint](https://github.com/pinterest/ktlint) from 0.41.0 to 0.42.0.
- [Release notes](https://github.com/pinterest/ktlint/releases)
- [Changelog](https://github.com/pinterest/ktlint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pinterest/ktlint/compare/0.41.0...0.42.0)

---
updated-dependencies:
- dependency-name: com.pinterest:ktlint
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

app/build.gradle

@@ -194,7 +194,7 @@ dependencies {
     implementation ('com.gitlab.bitfireAT:dav4jvm:2.1.2', {
         exclude group: 'org.ogce', module: 'xpp3'	// Android comes with its own XmlPullParser
     })
-    ktlint "com.pinterest:ktlint:0.41.0"
+    ktlint "com.pinterest:ktlint:0.42.0"
     implementation 'org.conscrypt:conscrypt-android:2.5.2'
 
     implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'