Merge pull request #1800 from nextcloud/dependabot/gradle/workVersion-2.7.1

Bump workVersion from 2.6.0 to 2.7.1

app/build.gradle

@@ -154,7 +154,7 @@ ext {
     parcelerVersion = "1.1.13"
     powermockVersion = "2.0.9"
     retrofit2Version = "2.9.0"
-    workVersion = "2.6.0"
+    workVersion = "2.7.1"
     markwonVersion = "4.6.2"
     espressoVersion = "3.4.0"
 }