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

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

Signed-off-by: Michael Hoffmann <mhoffm@posteo.de>

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

Signed-off-by: Michael Hoffmann <mhoffm@posteo.de>

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

Signed-off-by: Michael Hoffmann <mhoffm@posteo.de>

* 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.

Signed-off-by: Filip Petkovski <filip.petkovsky@gmail.com>

* Cut patch release v0.32.1

Signed-off-by: Saswata Mukherjee <saswataminsta@yahoo.com>

---------

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

@@ -39,6 +39,21 @@ We use *breaking :warning:* to mark changes that are not backward compatible (re
 
 ### Removed
 
+## [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

groupcache.yml

@@ -0,0 +1,10 @@
+type: GROUPCACHE
+config:
+  self_url: http://localhost:10906
+  peers:
+    - http://localhost:10906
+  groupcache_group: groupcache_test_group
+blocks_iter_ttl: 0s
+metafile_exists_ttl: 0s
+metafile_doesnt_exist_ttl: 0s
+metafile_content_ttl: 0s

scripts/groupcache.yml

@@ -0,0 +1,10 @@
+type: GROUPCACHE
+config:
+  self_url: http://localhost:10906
+  peers:
+    - http://localhost:10906
+  groupcache_group: groupcache_test_group
+blocks_iter_ttl: 0s
+metafile_exists_ttl: 0s
+metafile_doesnt_exist_ttl: 0s
+metafile_content_ttl: 0s