build(deps): bump leakcanary-android-no-op from 1.5.1 to 1.6.3

Bumps [leakcanary-android-no-op](https://github.com/square/leakcanary) from 1.5.1 to 1.6.3.
- [Release notes](https://github.com/square/leakcanary/releases)
- [Changelog](https://github.com/square/leakcanary/blob/master/docs/changelog.md)
- [Commits](square/leakcanary@v1.5.1...v1.6.3)

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

Author: dependabot-preview[bot]

app/build.gradle

@@ -208,7 +208,7 @@ dependencies {
     implementation "com.github.nextcloud:android-library:$rootProject.nextCloudVersion"
 
     //leak canary
-    debugImplementation 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1'
+    debugImplementation 'com.squareup.leakcanary:leakcanary-android-no-op:1.6.3'
     releaseImplementation 'com.squareup.leakcanary:leakcanary-android-no-op:1.5.1'
 
     //tumblr