Bump commons-io from 2.8.0 to 2.9.0

Bumps commons-io from 2.8.0 to 2.9.0.

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

build.gradle

@@ -285,7 +285,7 @@ dependencies {
     implementation "androidx.fragment:fragment:1.3.4"
     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:2.8.0'
+    implementation 'commons-io:commons-io:2.9.0'
     implementation "com.jakewharton:butterknife:$butterknifeVersion"
     kapt "com.jakewharton:butterknife-compiler:$butterknifeVersion"
     implementation 'org.greenrobot:eventbus:3.2.0'