chore: upgrade deps and target sdk

app/build.gradle

@@ -2,13 +2,13 @@ apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
     buildToolsVersion "30.0.2"
 
     defaultConfig {
         applicationId "com.jacoballenwood.currency"
         minSdkVersion 16
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode 1
         versionName "1.0"
 
@@ -25,19 +25,24 @@ android {
     kotlinOptions {
         jvmTarget = "1.8"
     }
+
+    compileOptions {
+        sourceCompatibility 1.8
+        targetCompatibility 1.8
+    }
 }
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.core:core-ktx:1.3.2'
-    implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
-    testImplementation 'junit:junit:4.13.1'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
-
-    implementation 'com.google.android.material:material:1.2.1'
+    implementation 'androidx.core:core-ktx:1.6.0'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+
+    implementation 'com.google.android.material:material:1.4.0'
 
     implementation(project(':currency-formatter'))
 }

build.gradle

@@ -1,6 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = "1.5.10"
+    ext.kotlin_version = "1.5.21"
     repositories {
         google()
         jcenter()