Update changelog

Author: trevor-scheer

CHANGELOG.md

@@ -5,8 +5,10 @@
 - `apollo`
   - Support validation parameters for service:check [#953](https://github.com/apollographql/apollo-tooling/pull/953)
   - Leverage nullability of validation parameters [#1006](https://github.com/apollographql/apollo-tooling/pull/1006)
+  - Unpin graphql version [#1010](https://github.com/apollographql/apollo-tooling/pull/1010)
 - `apollo-language-server`
   - Better error handling in ApolloEngineClient [#953](https://github.com/apollographql/apollo-tooling/pull/953)
+  - Unpin graphql version [#1010](https://github.com/apollographql/apollo-tooling/pull/1010)
 - `vscode-apollo`
   - Fix inline graphql highlighting in Vue `<script>` tags [#981](https://github.com/apollographql/apollo-tooling/pull/981)