long numeric value to string field in yaml files lose precision

[ccfish86]

Preflight Checklist

• [X] I have searched the issue tracker for an issue that matches the one I want to file, without success.
• [X] I am not looking for support or already pursued the available support channels without success.
• [X] I have checked the troubleshooting guide for my problem, without success.

Viper Version

1.16

Go Version

1.21

Config Source

Files

Format

YAML

Repl.it link

No response

Code reproducing the issue

// config.yaml
partner-key: 41647199611001163259761

// .go

type Express100 struct {
    PartnerKey string `mapstructure:"partner-key" json:"partner-key" yaml:"partner-key"` 

}

### Expected Behavior

PartnerKey  = 41647199611001163259761

### Actual Behavior

partner-key = 41647199611001160000000

### Steps To Reproduce

While I changed the config as follows,  it was resolved.（`PartnerKey  = 41647199611001163259761`）
// config.yaml
partner-key: "41647199611001163259761"

### Additional Information

It maybe then .yaml issue.

[An other issue](https://github.com/spf13/viper/issues)

[github-actions[bot]]

👋 Thanks for reporting!

A maintainer will take a look at your issue shortly. 👀

In the meantime: We are working on Viper v2 and we would love to hear your thoughts about what you like or don't like about Viper, so we can improve or fix those issues.

⏰ If you have a couple minutes, please take some time and share your thoughts: https://forms.gle/R6faU74qPRPAzchZ9

📣 If you've already given us your feedback, you can still help by spreading the news, either by sharing the above link or telling people about this on Twitter:

https://twitter.com/sagikazarmark/status/1306904078967074816

Thank you! ❤️