Fixes:

• Revert to wasmer-near 2.1.0 (#6165)
• Fix a bug in chunk requesting (#6155)
• Reduce number of chunk requesting messages (#6148)
• Disable fetching chunks for multiple blocks (#6210)

CODE_COLOR: CODE_GREEN_TESTNET
RELEASE_VERSION: 1.24.0-rc.2
PROTOCOL_UPGRADE: FALSE
DATABASE_UPGRADE: FALSE
SECURITY_UPGRADE: FALSE