chore(deps): update pgp requirement from 0.11.0 to 0.13.0

Updates the requirements on [pgp](https://github.com/rpgp/rpgp) to permit the latest version.
- [Release notes](https://github.com/rpgp/rpgp/releases)
- [Changelog](https://github.com/rpgp/rpgp/blob/main/CHANGELOG.md)
- [Commits](rpgp/rpgp@v0.11.0...v0.13.0)

---
updated-dependencies:
- dependency-name: pgp
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Cargo.toml

@@ -46,7 +46,7 @@ digest = "0.10"
 sha2 = "0.10"
 md-5 = "0.10"
 sha1 = "0.10"
-pgp = { version = "0.11.0", optional = true }
+pgp = { version = "0.13.0", optional = true }
 chrono = { version = "0.4", optional = true }
 log = "0.4"
 itertools = "0.13"