update compileSdkVersion and some other deps

build.gradle

@@ -6,7 +6,7 @@ buildscript {
 
     dependencies {
         // NOTE: Always use fixed version codes not dynamic ones, e.g. 0.7.3 instead of 0.7.+, see README for more information
-        classpath 'com.android.tools.build:gradle:3.5.3'
+        classpath 'com.android.tools.build:gradle:4.0.2'
         // bintray dependency to satisfy dependency of openpgp-api lib
         classpath 'com.novoda:bintray-release:0.8.0'
         classpath 'com.squareup.sqldelight:gradle-plugin:0.8.0'
@@ -17,12 +17,11 @@ allprojects {
     repositories {
         google()
         jcenter()
-        maven { url "https://jitpack.io" }
     }
 }
 
 // SDK Version and Build Tools used by all subprojects
 // See http://tools.android.com/tech-docs/new-build-system/tips#TOC-Controlling-Android-properties-of-all-your-modules-from-the-main-project.
 ext {
-    compileSdkVersion = 28
+    compileSdkVersion = 29
 }