[MSHARED-810] Upgrade ASM to 7.1, which supports Java 12 bytecode

Closes #6
diff --git a/pom.xml b/pom.xml
index d239c56..d6d3ec2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -76,7 +76,7 @@
     <dependency>
       <groupId>org.ow2.asm</groupId>
       <artifactId>asm</artifactId>
-      <version>7.0</version>
+      <version>7.1</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>