Bump content/specs from 73a3de4 to c37bbc4 (#790)

Bumps [content/specs](https://github.com/scientific-python/specs) from `73a3de4` to `c37bbc4`.
- [Commits](scientific-python/specs@73a3de4...c37bbc4)

---
updated-dependencies:
- dependency-name: content/specs
  dependency-version: c37bbc4495a9365d06f247ede5d2816ff84764aa
  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]