docs: fix typo in 'reference-configuration.md'

[cotes2020]

Description

Fix a typo in file docs/reference-configuration.md:

- resolveable
+ resolvable

Motivation and Context

Found a typo error while reading and wanted to help fix it.

How Has This Been Tested?

Since it is only a document modification, no testing is required

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[escapedcat]

Thanks a lot!