fix: invalid urls starting in v8.3.1

[dargmuesli]

Environment

• Operating System: Linux
• Node Version: v18.18.0
• Nuxt Version: 3.11.2
• CLI Version: 3.11.1
• Nitro Version: 2.9.6
• Package Manager: npm@10.2.3
• Builder: -
• User Config: modules, devtools, i18n
• Runtime Modules: @nuxtjs/i18n@8.3.1
• Build Modules: -

Reproduction

https://stackblitz.com/edit/bobbiegoede-nuxt-i18n-starter-4wdrme?file=app.vue

Describe the bug

Starting with v8.3.1 some trailing slashes disappeared, which leads to these invalid headers when using useLocaleHead({ addSeoAttributes: true }):

Notice the empty hrefs, which should include / as they did before.

Additional context

No response

Logs

No response