message: CHANGELOG: update for ROCm 5.5.0 release
diff: Full documentation for rocFFT is available at [rocfft.readthedocs.io](https://rocfft.readthedocs.io/en/latest/).
  -## (Unreleased) rocFFT 1.0.21
  +## rocFFT 1.0.21 for ROCm 5.5.0
  ### Optimizations
  - Improved performance of 1D lengths < 2048 that use Bluestein's algorithm.
  