Release v5.2.0

Release: v5.2.0 [skip ci]

Minor

• Add: Pyodide wheels and vectorized RISC-V builds (96c88fd)

Patch

• Make: Build pre-release wheels with cibuildwheel 4 as well (82e1526)
• Improve: Search 2-4 byte needles backward with SWAR (e94052b)
• Fix: Exclude test package from Python wheels (fa427ac)
• Make: Move wheels to cibuildwheel 4 and current runners (0d79cdc)
• Fix: Probe Zvkg before dispatching the RISC-V GCM kernels (2f78f25)