Bump material from 1.3.0 to 1.4.0

Bumps [material](https://github.com/material-components/material-components-android) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/material-components/material-components-android/releases)
- [Commits](https://github.com/material-components/material-components-android/compare/1.3.0...1.4.0)

---
updated-dependencies:
- dependency-name: com.google.android.material:material
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

build.gradle

@@ -20,7 +20,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:4.2.2'
         classpath 'com.hiya:jacoco-android:0.2'
-        classpath 'gradle.plugin.com.github.spotbugs.snom:spotbugs-gradle-plugin:4.7.1'
+        classpath 'gradle.plugin.com.github.spotbugs.snom:spotbugs-gradle-plugin:4.7.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.17.1"
         classpath "commons-httpclient:commons-httpclient:3.1@jar" // remove after entire switch to lib v2
@@ -56,7 +56,8 @@ configurations {
 }
 
 ext {
-    daggerVersion = "2.36"
+    androidxTestVersion = "1.4.0"
+	daggerVersion = "2.36"
     markwonVersion =  "4.6.2"
     prismVersion = "2.0.0"
     androidLibraryVersion = "master-SNAPSHOT"
@@ -275,7 +276,7 @@ dependencies {
     implementation 'org.apache.jackrabbit:jackrabbit-webdav:2.13.1' // remove after entire switch to lib v2
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'com.google.android.material:material:1.4.0'
     implementation 'com.jakewharton:disklrucache:2.0.2'
     implementation 'androidx.appcompat:appcompat:1.3.0'
     implementation 'androidx.webkit:webkit:1.4.0'
@@ -341,7 +342,7 @@ dependencies {
     // dependencies for local unit tests
     testImplementation 'junit:junit:4.13.2'
     testImplementation "org.mockito:mockito-core:$mockitoVersion"
-    testImplementation 'androidx.test:core:1.4.0'
+    testImplementation "androidx.test:core:$androidxTestVersion"
     testImplementation "org.powermock:powermock-core:$powermockVersion"
     testImplementation "org.powermock:powermock-module-junit4:$powermockVersion"
     testImplementation "org.powermock:powermock-api-mockito2:$powermockVersion"
@@ -354,10 +355,10 @@ dependencies {
     // dependencies for instrumented tests
     // JUnit4 Rules
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
-    androidTestImplementation 'androidx.test:rules:1.4.0'
+    androidTestImplementation "androidx.test:rules:$androidxTestVersion"
     // Android JUnit Runner
-    androidTestImplementation 'androidx.test:runner:1.3.0'
-    androidTestUtil 'androidx.test:orchestrator:1.4.0'
+    androidTestImplementation "androidx.test:runner:$androidxTestVersion"
+    androidTestUtil "androidx.test:orchestrator:$androidxTestVersion"
 
     // Espresso core
     androidTestImplementation "androidx.test.espresso:espresso-core:$espressoVersion"