budgets: normalize limit_amount to avoid scientific notation breaking UpdateBudget#47501

CorinneVerheyde wants to merge 2 commits intohashicorp:mainhashicorp/terraform-provider-aws:mainfrom

CorinneVerheyde:fix/budgets-limit-amount-scientific-notationCorinneVerheyde/terraform-provider-aws:fix/budgets-limit-amount-scientific-notationCopy head branch name to clipboard