Integration: 2026.w31

- #314 Fix channel offset computation in UE measurement procedures
- #337 hotfix: restore pucch rx performance
- #307 fix(ci): fetch PR head so fork branches are checked for pre-ci-checks
- #312 Improvements to decoding in PBCH
- #311 Fix nonstandard FR2 bandwidth configuration and update PRS tutorial
- #193 Test aperiodic SRS
- #141 NRPPA MAC and RRC procedures
- #343 fix(mac, nr_ue): remove csi_on_pusch flag for periodic CSI report handling
- #346 Fix NGAP/RRC bugs reported by ProFuzzer
- #350 fix(fapi): Reduce log output after error.indication
- #295 Add compression support for O-RU
- #322 Add AVX512 variants to dot_product and rotate_cpx_vector
- #289 Add USRP support to O-RU and other O-RU related changes
- #342 CI: Tune configs, HTML simplification
- #187 NewDFT for all sizes