fix v1.0.0 changelog link

Author: Phil Varner

CHANGELOG.md

@@ -29,7 +29,8 @@ None
 See the [stac-spec CHANGELOG](https://github.com/radiantearth/stac-spec/blob/v0.9.0/CHANGELOG.md)
 for STAC API releases prior to or equal to version 0.9.0.
 
-[Unreleased]: <https://github.com/stac-api-extensions/query/compare/v1.0.0-rc.2..main>
+[Unreleased]: <https://github.com/stac-api-extensions/query/compare/v1.0.0..main>
+[v1.0.0]: <https://github.com/stac-api-extensions/query/tree/v1.0.0>
 [v1.0.0-rc.2]: <https://github.com/stac-api-extensions/query/tree/v1.0.0-rc.2>
 [v1.0.0-rc.1]: <https://github.com/radiantearth/stac-api-spec/tree/v1.0.0-rc1.1>
 [v1.0.0-beta.2]: <https://github.com/radiantearth/stac-api-spec/tree/v1.0.0-beta.2>