Adjust OpenGov parameters based on WFC 1701

[seadanda]

This PR makes the following changes to OpenGov parameters:

All tracks

• Increase submission deposit for all tracks
• Decrease undeciding timeout for all tracks

Treasurer

• Max deciding, decreased from 10 to 2
• Decision Deposit, increased from 1,000 to 25,000 DOT
• Min Support Turn Out increased from 0% to 1%

Small spender

• Max deciding decreased from 50 to 5
• Decision deposit increased from 100 to 500 DOT
• Min Support Turn Out increased from 0% to 0.5%

Medium spender

• Max deciding decreased from 50 to 5
• Decision deposit increase from 200 to 1,000
• Min Support Turn Out increased from 0% to 0.5%

Big Spender

• Max deciding decreased from 50 to 3
• Decision deposit increase from 400 to 5,000
• Min Support Turn Out increased from 0% to 0.75%

Referendum Canceller

• Max deciding decreased from 1,000 to 500
• Decision deposit decreased from 10,000 to 5,000

See WFC 1701 for more information and motivation.

• Does not require a CHANGELOG entry

[itsbirdo]

lgtm

[pandres95]

Can we include Kusama's WFC 558 to these changes?

Basically, this increases submission deposit to 3.333333KSM (10_000 CENTS)

[github-actions]

Review required! Latest push from author must always be reviewed

[seadanda]

Can we include Kusama's WFC 558 to these changes?

Basically, this increases submission deposit to 3.333333KSM (10_000 CENTS)

I think we can get this the one final review and get it merged and do them as a separate PR. This has been open for a while

[github-actions]

The changes correctly implement the described parameter adjustments. However, there is a minor inconsistency in how fractional values are defined, for which a suggestion has been provided to improve code clarity and maintainability.

[seadanda]

Doctest fixed on main

[seadanda]

/merge

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