feat: add pallet proxy to astar

[gitofdeepanshu]

Pull Request Summary

This PR adds pallet-proxy to Astar.

Added Proxy Types

    /// Allows all runtime calls for proxy account
    Any,
    
    /// Allows only NonTransfer runtime calls for proxy account
    /// To know exact calls check InstanceFilter implementation for ProxyTypes
    NonTransfer,
    
    /// All Runtime calls from Pallet Balances allowed for proxy account
    Balances,
    
    /// All Runtime calls from Pallet Assets allowed for proxy account
    Assets,
    
    /// Only provide_judgement call from pallet identity allowed for proxy account
    IdentityJudgement,
    
    /// Only reject_announcement call from pallet proxy allowed for proxy account
    CancelProxy,
    
    /// All runtime calls from pallet DappStaking allowed for proxy account
    DappsStaking,
    
    /// Only claim_staker call from pallet DappStaking allowed for proxy account
    StakerRewardClaim,

Check list

• updated Astar official documentation
• updated spec version
• updated semver

[Dinonard]

Let's move forward with this PR. 👍

Please update the spec version and semver too.

[Dinonard]

Can you please extend it with the additional type for reward claiming?

[gitofdeepanshu]

will do.