Word `invalid` is misspelled as `invalide`

[eecavanna]

The typo is here:

docs/content/home/src/howto_guides/submit2nmdc.md

Line 138 in 57359fa

When validating the metadata and information provided, the submission portal provides a "Find and Replace" tool. This allows bulk updates to invalide metadata.

This typo was reported by the spellchecker being implemented in PR #187.