v4.2.2

Major new features:

• added functionality to recover original k-mers given hashes - sourmash sig kmers et al. (#1653, #1695, #1701)

Documentation updates:

• Updated picklist docs (#1683)
• Updated the 'how to release' doc after 4.2.0 release (#1649)

Minor new features:

• Adjusted dayhoff and hp encodings to tolerate stop codons in the protein sequence (#1673)

Bug fixes and performance improvements:

• Fixed panic bug in sourmash sketch dna with bad input and --check-sequence (#1702)

Refactoring and cleanup:

• Changed sourmash compute to sourmash sketch in tests/test_sourmash.py (#1680, #1687)
• Tested and fixed sourmash_args.load_many_signatures(...) and lca_db.load_single_database (#1684)