upgrade to v1.16.2

[ToufeeqP]

Noteworthy changes:

• [#5065]: Replace env_logger with sp_tracing
• [#5029]: Backoff slow peers to avoid duplicate requests
• [#2923]: Use console crate instead of ansi_term
• [#5339]: Replace unnecessary &mut self with &self in BlockImport::import_block()
• [#5450]: Sync status refactoring
• [#4564]: Make OnUnbalanced::on_unbalanceds work with fungibles imbalances
• [#5240]: Warn on empty public-addr when starting a validator node
• Networking optimisations:
• [#4848]: Optimize logic for gossiping assignments
• [#4922]: Optimize finalization performance
• [#4802]: Add health/readiness endpoint to the rpc server
• [#3905]: Allows Nomination Pool to use different staking strategies including a new DelegateStake strategy.
• [#3904]: Introduce pallet-delegated-staking
• [#4274]: Introduce CheckMetadataHash signed extension
• [#3962]: Change fork calculation algorithm.
• [#4329]: Deprecate NativeElseWasmExecutor
• [#4326]: CheckWeight checks for combined extrinsic length and proof size
• [#4171]: Stabilize transactionWatch RPC class to version 1
• [#2714]: GenesisConfig presets for runtime
• [#2944]: Integrate litep2p into Polkadot SDK
• [#4021]: Improve log output for block imports
• [#3852]: (Breaking change)Enforce network key presence on authorities.
• [#4017]: Complete removal of TryRuntime subcommand
• [#3504]: add prometheus label “is_rate_limited” to rpc calls
• [#1781]: Multi-Block-Migrations, poll hook and new System Callbacks
• [#3364]: rpc server expose batch request configuration
• Add functionality to limit RPC batch requests by two new CLI options:
  • --rpc-disable-batch-request - disable batch requests on the server
  • --rpc-max-batch-request-len - limit batches to LEN on the server
• [#3060]: Add retry mechanics to pallet-scheduler