[Bug]: Invalid redirect rule generated for i18n cookie

[ascorbic]

Steps to reproduce

• build a site with i18n
• observe the redirect rules checks

A link to a reproduction repository

No response

Plugin version

4.0.0-beta.13

More information about your build

• I am building using the CLI
• I am building using file-based configuration (netlify.toml)

What OS are you using?

No response

Your netlify.toml file

`netlify.toml`

# Paste content of your `netlify.toml` file here

Relevant log output (or link to your logs)

Build logs

# Paste logs here

[chrishannaby]

Repro in this branch https://github.com/chrishannaby/next-i18next-example/tree/invalid-redirect

https://app.netlify.com/sites/next-i18n-example/deploys/61aa397012d55900072148c5