Spell check (#147)

Supported had three P's

Author: VrajGohil

release-notes/v0.7.0.md

@@ -4,7 +4,7 @@
 
 Welcome to the April 2019 release of Java Extension Pack. This document aims to recap the features, bug fixes around Java language support in between releases. Here are some of the key highlights:
 
-- [Java 12](#java-12-supported) suppported
+- [Java 12](#java-12-supported) supported
 - [More Source Actions](#more-source-actions) added to Java language server
 - [Logical Structure](#display-logical-structure-of-collections) of collections displayed by debugger
 - [Debugging Maven Goals](#debug-maven-goals) made easy