switch to lsp4e snapshot repo to include the latest fixes in 4.17.0 release build

Author: martinlippert

eclipse-distribution/pom.xml

@@ -714,8 +714,8 @@
 				<repository>
 					<id>lsp4e</id>
 					<layout>p2</layout>
-					<url>https://download.eclipse.org/lsp4e/releases/0.21.0/</url>
-<!--					<url>https://download.eclipse.org/lsp4e/snapshots/</url> -->
+<!--					<url>https://download.eclipse.org/lsp4e/releases/0.21.0/</url> -->
+					<url>https://download.eclipse.org/lsp4e/snapshots/</url>
 				</repository>
 				<repository>
 					<id>tm4e-snapshots</id>