Bump version to 9.3.0

Author: Michael Tran

CHANGELOG.md

@@ -2,6 +2,13 @@ x.y.z Release notes (yyyy-MM-dd)
 =============================================================
 
 <!-- ### Breaking Changes - Include, if needed -->
+<!-- ### Enhancements - Include, if needed -->
+<!-- ### Fixes - Include, if needed -->
+<!-- ### Internal - Include, if needed -->
+
+9.3.0 Release notes (2021-09-09)
+=============================================================
+
 
 ### Enhancements
 
@@ -11,7 +18,6 @@ x.y.z Release notes (yyyy-MM-dd)
 
 * Fix Fueling PWA URLs for non-prod environment
 
-<!-- ### Internal - Include, if needed -->
 
 9.2.1 Release notes (2021-09-02)
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