chore: Add info about openssl related changes

Signed-off-by: Roman Nikitenko <rnikiten@redhat.com>

Author: RomanNikitenko

.rebase/CHANGELOG.md

@@ -2,6 +2,14 @@
 
 The file to keep a list of changed files which will potentionaly help to resolve rebase conflicts.
 
+#### @RomanNikitenko
+https://github.com/che-incubator/che-code/pull/655
+
+- code/src/vs/platform/shell/node/shellEnv.ts
+- code/src/vs/server/node/remoteTerminalChannel.ts
+- code/src/vs/server/node/extensionHostConnection.ts
+---
+
 #### @sbouchet
 https://github.com/che-incubator/che-code/pull/647