Bump kotlin-css-jvm (#731)

Bumps kotlin-css-jvm from 1.0.0-pre.31-kotlin-1.2.41 to 1.0.0-pre.143-kotlin-1.4.21.

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uhabits-server/build.gradle.kts

@@ -42,7 +42,7 @@ dependencies {
     implementation("io.ktor:ktor-server-core:$ktorVersion")
     implementation("io.ktor:ktor-html-builder:$ktorVersion")
     implementation("io.ktor:ktor-jackson:$ktorVersion")
-    implementation("org.jetbrains:kotlin-css-jvm:1.0.0-pre.31-kotlin-1.2.41")
+    implementation("org.jetbrains:kotlin-css-jvm:1.0.0-pre.143-kotlin-1.4.21")
     implementation("io.prometheus:simpleclient:0.9.0")
     implementation("io.prometheus:simpleclient_httpserver:0.10.0")
     implementation("io.prometheus:simpleclient_hotspot:0.9.0")