Update memray requirement from ==1.15.* to ==1.20.* in /docker/main (#24343)

Updates the requirements on [memray](https://github.com/bloomberg/memray) to permit the latest version.
- [Release notes](https://github.com/bloomberg/memray/releases)
- [Changelog](https://github.com/bloomberg/memray/blob/main/NEWS.rst)
- [Commits](https://github.com/bloomberg/memray/compare/v1.15.0...v1.20.0)

---
updated-dependencies:
- dependency-name: memray
  dependency-version: 1.20.0
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

docker/main/requirements-wheels.txt

@@ -73,4 +73,4 @@ faster-whisper==1.2.*
 librosa==0.11.*
 soundfile==0.13.*
 # Memory profiling
-memray == 1.15.*
+memray == 1.20.*