Cut patch release v0.32.1 (thanos-io#6670) (thanos-io#6673)

* store: fix error handling in decodePostings (thanos-io#6650)



* store: fix ignored error in postings (thanos-io#6654)



* Store: fix bufio pool handling (thanos-io#6655)



* Fix mutable stringset memory usage (thanos-io#6669)

This commit fixes the Insert function for the mutable stringset
to only insert unique labels instead of adding every label to the set.



* Cut patch release v0.32.1



---------

Signed-off-by: Michael Hoffmann <mhoffm@posteo.de>
Signed-off-by: Filip Petkovski <filip.petkovsky@gmail.com>
Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>
Co-authored-by: Michael Hoffmann <mhoffm@posteo.de>
Co-authored-by: Filip Petkovski <filip.petkovsky@gmail.com>

CHANGELOG.md

@@ -12,9 +12,6 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 
 ### Fixed
 
-- [#6650](https://github.com/thanos-io/thanos/pull/6650) Store: fix error handling in decodePostings
-- [#6655](https://github.com/thanos-io/thanos/pull/6655) Store: fix bufio pool handling
-
 ### Added
 
 - [#6605](https://github.com/thanos-io/thanos/pull/6605) Query Frontend: Support vertical sharding binary expression with metric name when no matching labels specified.
@@ -25,7 +22,22 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 
 ### Removed
 
-## [v0.32](https://github.com/thanos-io/thanos/tree/release-0.32) - 23.08.2023
+## [v0.32.1](https://github.com/thanos-io/thanos/tree/release-0.32) - 28.08.2023
+
+### Fixed
+
+- [#6650](https://github.com/thanos-io/thanos/pull/6650) Store: fix error handling in decodePostings
+- [#6654](https://github.com/thanos-io/thanos/pull/6654) Store: fix ignored error in postings
+- [#6655](https://github.com/thanos-io/thanos/pull/6655) Store: fix bufio pool handling
+- [#6669](https://github.com/thanos-io/thanos/pull/6669) Store: Fix mutable stringset memory usage
+
+### Added
+
+### Changed
+
+### Removed
+
+## [v0.32.0](https://github.com/thanos-io/thanos/tree/release-0.32) - 23.08.2023
 
 ### Added