Bump sphinxext-opengraph from 0.6.3 to 0.7.5
Bumps [sphinxext-opengraph](https://github.com/wpilibsuite/sphinxext-opengraph) from 0.6.3 to 0.7.5.
- [Release notes](https://github.com/wpilibsuite/sphinxext-opengraph/releases)
- [Commits](https://github.com/wpilibsuite/sphinxext-opengraph/compare/v0.6.3...v0.7.5)
---
updated-dependencies:
- dependency-name: sphinxext-opengraph
dependency-type: direct:production
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <[email protected]>