v0.21.6

What's Changed

• Fix failsafe randomness by @Adamantios in #2377
• Add Poly Safe multisig by @jmoreira-valory in #2378
• Chore/bump pycryptodome by @LOCKhart07 in #2383
• Chore/open aea bump by @LOCKhart07 in #2384
• Remove unused method by @jmoreira-valory in #2387
• Chore: Release v0.21.6 by @OjusWiZard in #2386

New Contributors

• @LOCKhart07 made their first contribution in #2383

Full Changelog: v0.21.5...v0.21.6