Dependency update

app/build.gradle

@@ -35,9 +35,9 @@ android {
     compileSdkVersion 30
     defaultConfig {
         applicationId "xyz.quaver.pupil"
-        minSdkVersion 16
+        minSdkVersion 21
         targetSdkVersion 30
-        versionCode 64
+        versionCode 65
         versionName "6.0.0-alpha2"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
@@ -47,8 +47,6 @@ android {
             minifyEnabled false
             shrinkResources false
 
-            multiDexEnabled true
-
             debuggable true
             applicationIdSuffix ".debug"
             versionNameSuffix "-DEBUG"
@@ -91,7 +89,7 @@ dependencies {
     implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.0.1"
 
     implementation "androidx.appcompat:appcompat:1.2.0"
-    implementation "androidx.activity:activity-ktx:1.3.0-alpha02"
+    implementation "androidx.activity:activity-ktx:1.3.0-alpha03"
     implementation "androidx.fragment:fragment-ktx:1.3.0"
     implementation "androidx.preference:preference-ktx:1.1.1"
     implementation "androidx.recyclerview:recyclerview:1.1.0"
@@ -100,7 +98,7 @@ dependencies {
     implementation "androidx.biometric:biometric:1.1.0"
     implementation "androidx.work:work-runtime-ktx:2.5.0"
 
-    implementation 'org.kodein.di:kodein-di-framework-android-x:7.1.0'
+    implementation 'org.kodein.di:kodein-di-framework-android-x:7.4.0'
 
     implementation "com.daimajia.swipelayout:library:1.2.0@aar"