Bump fragment-ktx from 1.3.6 to 1.4.0

Bumps fragment-ktx from 1.3.6 to 1.4.0.

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

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

build.gradle

@@ -263,7 +263,7 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1"
     implementation "androidx.work:work-runtime:$workRuntime"
     implementation "androidx.work:work-runtime-ktx:$workRuntime"
-    implementation "androidx.fragment:fragment-ktx:1.3.6"
+    implementation "androidx.fragment:fragment-ktx:1.4.0"
     implementation 'com.github.albfernandez:juniversalchardet:2.0.3' // need this version for Android <7
     compileOnly 'com.google.code.findbugs:annotations:3.0.1u2'
     implementation 'commons-io:commons-io:2.11.0'