update orbit repo for Eclipse 2020-09 release

Author: martinlippert

eclipse-distribution/pom.xml

@@ -331,7 +331,7 @@
 				<repository>
 					<id>orbit</id>
 					<layout>p2</layout>
-					<url>https://download.eclipse.org/tools/orbit/downloads/drops/S20200727174946/repository</url>
+					<url>https://download.eclipse.org/tools/orbit/downloads/drops/R20200831200620/repository</url>
 				</repository>
 <!--				<repository>
 					<id>latest-m2e-wtp</id>

eclipse-language-servers/pom.xml

@@ -233,7 +233,7 @@
 				<repository>
 					<id>orbit</id>
 					<layout>p2</layout>
-					<url>https://download.eclipse.org/tools/orbit/downloads/drops/S20200727174946/repository</url>
+					<url>https://download.eclipse.org/tools/orbit/downloads/drops/R20200831200620/repository</url>
 				</repository>
 				<repository>
 					<id>e-i-commons</id>