Bump content/specs from 9c6979d to 7a18806 (#808)

Bumps [content/specs](https://github.com/scientific-python/specs) from `9c6979d` to `7a18806`.
- [Commits](scientific-python/specs@9c6979d...7a18806)

---
updated-dependencies:
- dependency-name: content/specs
  dependency-version: 7a1880611acd572a09f6f45b13fc8270a0f7554e
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]