Fix spell data regressions and omissions

[eepMoody]

Summary

Fixes data regressions introduced by PR #842 and adds validation tests for spell casting options.

Closes #753

Changes

Data Fixes (SRD-2024)

• Restored higher_level for Fireball
• Restored component fields for Barkskin and Guidance
• Restored full descriptions for Wish, Antipathy/Sympathy, and Command
• Removed "### X Spells" parsing artifacts from 10 spell descriptions

New Casting Options

• Added casting options for deepm_anchoring-rope-reaction (5 options)
• Created SpellCastingOption.json for spells-that-dont-suck with 60 options covering:
  • adaptation, animal-ally, animal-transformation, arctic-breath
  • aura-of-concealment, aura-of-truth, befriend-beast, bewilder

Tests

• Added TestSpellCastingOptions class with two validation tests:
  • All spells with higher_level text must have casting options
  • No spell may have duplicate casting option types

Infrastructure

• Updated NewRelic middleware to use add_custom_attribute (API change)

---

Note

Strengthens spell data integrity and fixes a content issue.

• Adds TestSpellCastingOptions with checks that spells with higher_level have casting_options and that no duplicate casting_options.type exist via /v2/spells responses
• Corrects SRD markdown by changing the "Freezing Sphere" section header to #### Freezing Sphere in 08_b_spellsaz.md

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[calumbell]

Hey, good job spotting these errors.

The PR is too large for me to realistically investigate the JSON line-by-line, so I am leaning on pytest and spot checking on a local Django server. A cursory glance reveals that everything is looking good. The Python looks fine to me, it is clear what every part is doing and it fits established style conventions.

I am happy to get this approved :)