Bump appcompat from 1.3.1 to 1.4.0

Bumps appcompat from 1.3.1 to 1.4.0.

---
updated-dependencies:
- dependency-name: androidx.appcompat:appcompat
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

uhabits-android/build.gradle.kts

@@ -116,7 +116,7 @@ dependencies {
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlinVersion")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:$kxCoroutinesVersion")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:$kxCoroutinesVersion")
-    implementation("androidx.appcompat:appcompat:1.3.1")
+    implementation("androidx.appcompat:appcompat:1.4.0")
     implementation("androidx.legacy:legacy-preference-v14:1.0.0")
     implementation("androidx.legacy:legacy-support-v4:1.0.0")
     implementation("com.google.android.material:material:1.4.0")