Update sphinxext-opengraph requirement from ^0.4.0 to ^0.8.2 (#89)

Updates the requirements on [sphinxext-opengraph](https://github.com/wpilibsuite/sphinxext-opengraph) to permit the latest version.
- [Release notes](https://github.com/wpilibsuite/sphinxext-opengraph/releases)
- [Commits](https://github.com/wpilibsuite/sphinxext-opengraph/compare/v0.4.0...v0.8.2)

---
updated-dependencies:
- dependency-name: sphinxext-opengraph
  dependency-type: direct:development
...

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pyproject.toml

@@ -36,7 +36,7 @@ sphinx-autoapi = "^2.0.1"
 sphinx-autodoc-typehints = "^1.12.0"
 sphinxcontrib-spelling = "^8.0.0"
 sphinx-copybutton = "^0.5.2"
-sphinxext-opengraph = "^0.4.0"
+sphinxext-opengraph = "^0.8.2"
 sphinx-rtd-theme = "^1.0.0"
 toml = "^0.10.2"
 types-python-dateutil = "^2.8.0"