Bump github.com/containers/storage from 1.15.1 to 1.15.2

Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.15.1 to 1.15.2.
- [Release notes](https://github.com/containers/storage/releases)
- [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md)
- [Commits](https://github.com/containers/storage/compare/v1.15.1...v1.15.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

vendor/github.com/klauspost/compress/zstd/README.md

@@ -26,8 +26,12 @@ Godoc Documentation: https://godoc.org/github.com/klauspost/compress/zstd
 
 ### Status: 
 
-BETA - there may still be subtle bugs, but a wide variety of content has been tested. 
-There may still be implementation specific stuff in regards to error handling that could lead to edge cases. 
+STABLE - there may always be subtle bugs, a wide variety of content has been tested and the library is actively 
+used by several projects. This library is being continuously [fuzz-tested](https://github.com/klauspost/compress-fuzz),
+kindly supplied by [fuzzit.dev](https://fuzzit.dev/).
+
+There may still be specific combinations of data types/size/settings that could lead to edge cases, 
+so as always, testing is recommended.  
 
 For now, a high speed (fastest) and medium-fast (default) compressor has been implemented. 
 
@@ -251,8 +255,12 @@ The converter `s` can be reused to avoid allocations, even after errors.
 
 ## Decompressor
 
-STATUS: Release Candidate - there may still be subtle bugs, but a wide variety of content has been tested.
+Staus: STABLE - there may still be subtle bugs, but a wide variety of content has been tested.
 
+This library is being continuously [fuzz-tested](https://github.com/klauspost/compress-fuzz),
+kindly supplied by [fuzzit.dev](https://fuzzit.dev/). 
+The main purpose of the fuzz testing is to ensure that it is not possible to crash the decoder, 
+or run it past its limits with ANY input provided.  
  
 ### Usage