v1.0: New error: `too_many_open_files`

[maryamsulemani97]

• Add new error too_many_open_files

To do

• Update /reference/errors/error_codes

References

• Issue on core: Create too_many_open files errors meilisearch#2785
• Spec:
• SME: @irevoire

[curquiza]

Pinging @irevoire here since he implemented this 😊