Bump kotlin-stdlib-jdk8 from 1.4.30 to 1.4.31 (#821)

uhabits-android/build.gradle.kts

@@ -75,7 +75,7 @@ android {
 
 dependencies {
     val daggerVersion = "2.33"
-    val kotlinVersion = "1.4.30"
+    val kotlinVersion = "1.4.31"
     val kxCoroutinesVersion = "1.4.2"
     val ktorVersion = "1.5.1"
     val espressoVersion = "3.3.0"

uhabits-server/build.gradle.kts

@@ -34,7 +34,7 @@ application {
 
 dependencies {
     val ktorVersion = "1.5.1"
-    val kotlinVersion = "1.4.30"
+    val kotlinVersion = "1.4.31"
     val logbackVersion = "1.2.3"
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlinVersion")
     implementation("io.ktor:ktor-server-netty:$ktorVersion")