Permit Should Take Label Amount

[0x4007]

The base-rate was increased, but the labels were not modified so the bot didn't update the Price: label.

The bot should always parse the amount in the Price: label and use that to generate the permit.

          ### [ **[ CLAIM 1200 DAI ]** ](https://pay.ubq.fi?claim=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)

0x10693e86...dA8887d6

Originally posted by @ubiquibot[bot] in ubiquity/ubiquity-dollar#609 (comment)

[0x4007]

Improved spec #341

[ubiquibot]

Permit generation skipped since assignee is undefined