deps: bump pubky-app-specs from b885faa to 270fcb2 (#290)

Bumps [pubky-app-specs](https://github.com/pubky/pubky-app-specs) from `b885faa` to `270fcb2`.
- [Release notes](https://github.com/pubky/pubky-app-specs/releases)
- [Commits](pubky/pubky-app-specs@b885faa...270fcb2)

---
updated-dependencies:
- dependency-name: pubky-app-specs
  dependency-type: direct:production
...

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