Update LatinDefaults for lang 'la'

[diyclassics]

Description

Building on the work of issue #11349, this PR makes the following changes:

• Adds noun chunking to syntax iterators (with test)
• Expands list of numeral/ordinal words
• Expands list of abbreviations in tokenizer exceptions
• Adds example sentences

Types of change

Enhancement to lang defaults

Checklist

• I confirm that I have the right to submit this contribution under the project's MIT license.
• I ran the tests, and all new and existing tests passed.
• My changes don't require a change to the documentation, or if they do, I've added all required information.

NB: Noun chunking requires use of trained Latin pipeline with POS tagging and dependency parsing, like e.g. this pipeline which I am preparing to submit to the general spaCy trained pipeline offerings: https://huggingface.co/diyclassics/la_core_cltk_md)

[svlandeg]

Thank you so much for these additions, it all looks really good and extensive!

I only had a few small comments. Let me know if you'd like to address them or if you'd like us to do so.