Release '0.21.0'

Signed-off-by: Yevhen Vydolob <yvydolob@redhat.com>

Author: evidolob

CHANGELOG.md

@@ -1,3 +1,11 @@
+### 0.21.0
+
+- Upgrade jsonc-parser to latest version [#492](https://github.com/redhat-developer/yaml-language-server/pull/492)
+- Fix: Request textDocument/completion failed with message: label.replace is not a function [#536](https://github.com/redhat-developer/vscode-yaml/issues/536)
+- Fix: `TypeError: customTags.filter is not a function` [#495](https://github.com/redhat-developer/yaml-language-server/pull/495)
+- Support relative path in inline schema comment [#499](https://github.com/redhat-developer/yaml-language-server/pull/499)
+- Improve hover to include title, description and source schema link [#480](https://github.com/redhat-developer/yaml-language-server/issues/480)
+
 ### 0.20.0
 
 - Fix: Autocomplete not working when certain characters are in object property keys [#496](https://github.com/redhat-developer/vscode-yaml/issues/496) [#474](https://github.com/redhat-developer/yaml-language-server/issues/474)