Release v4.6.0

Changes listed bellow.

- Add support for 5G NR UL-SCH FEC (LDPC QC)
- Add optimized 5G LDPC QC encoder implementation
- Add native 5G puncturing and rate-matching compatibility
- Fix Sum-Product Algorithm (SPA) initialization for zero-valued LLRs to avoid division by zero

CONV codes support in the simulator.

Fix transform_H_to_G_identity for rank-deficient parity-check matrices.

Add generic conv encoder and make RSC+Viterbi decoders compatible.

Update to the last MIPP version.

Update to StreamPU v1.9.2 to fix potential dealocks.

Add a new template to customize LDPC syndrome checking.

Update StreamPU to v1.9.0 and improve AFF3CT lib doc.

Fix compilation issues in library mode.