Fix letter case in license.md

arangodb/license.md

@@ -1 +1 @@
-[Arangodb itself is licensed under the Apache License](https://github.com/arangodb/arangodb/blob/devel/LICENSE), but it contains [software of third parties under their respective licenses](https://github.com/arangodb/arangodb/blob/devel/LICENSES-OTHER-COMPONENTS.md).
+[ArangoDB itself is licensed under the Apache License](https://github.com/arangodb/arangodb/blob/devel/LICENSE), but it contains [software of third parties under their respective licenses](https://github.com/arangodb/arangodb/blob/devel/LICENSES-OTHER-COMPONENTS.md).