Changelog: Mark v0.37 release in progress (thanos-io#7920)

Signed-off-by: Saswata Mukherjee <[email protected]>

Author: saswatamcode

CHANGELOG.md

@@ -12,6 +12,16 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 
 ### Fixed
 
+### Added
+
+### Changed
+
+### Removed
+
+## [v0.37.0 - <in progress>](https://github.com/thanos-io/thanos/tree/release-0.37)
+
+### Fixed
+
 - [#7511](https://github.com/thanos-io/thanos/pull/7511) Query Frontend: fix doubled gzip compression for response body.
 - [#7592](https://github.com/thanos-io/thanos/pull/7592) Ruler: Only increment `thanos_rule_evaluation_with_warnings_total` metric for non PromQL warnings.
 - [#7614](https://github.com/thanos-io/thanos/pull/7614) *: fix debug log formatting.

VERSION

@@ -1 +1 @@
-0.37.0-dev
+0.38.0-dev