Update to beam 2.71 (#177)

diff --git a/build.gradle b/build.gradle
index 400f275..b593785 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,8 +25,8 @@
 
 dependencies {
     // App dependencies.
-    implementation "org.apache.beam:beam-sdks-java-core:2.70.0"
-    implementation "org.apache.beam:beam-runners-direct-java:2.70.0"
+    implementation "org.apache.beam:beam-sdks-java-core:2.71.0"
+    implementation "org.apache.beam:beam-runners-direct-java:2.71.0"
     implementation "org.slf4j:slf4j-jdk14:2.0.16"
 
     // Tests dependencies.
diff --git a/build.sbt b/build.sbt
index 3e7cb74..858fddd 100644
--- a/build.sbt
+++ b/build.sbt
@@ -8,7 +8,7 @@
 
 mainClass := Some("com.example.App")
 
-val beamVersion = "2.70.0"
+val beamVersion = "2.71.0"
 libraryDependencies ++= Seq(
   // App dependencies.
   "org.apache.beam" % "beam-sdks-java-core" % beamVersion,
diff --git a/pom.xml b/pom.xml
index 13cdeb6..38626ad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -80,13 +80,13 @@
     <dependency>
       <groupId>org.apache.beam</groupId>
       <artifactId>beam-sdks-java-core</artifactId>
-      <version>2.70.0</version>
+      <version>2.71.0</version>
     </dependency>
 
     <dependency>
       <groupId>org.apache.beam</groupId>
       <artifactId>beam-runners-direct-java</artifactId>
-      <version>2.70.0</version>
+      <version>2.71.0</version>
       <scope>runtime</scope>
     </dependency>