build(deps): bump openpgp from 5.3.1 to 5.5.0

Bumps [openpgp](https://github.com/openpgpjs/openpgpjs) from 5.3.1 to 5.5.0.
- [Release notes](https://github.com/openpgpjs/openpgpjs/releases)
- [Commits](openpgpjs/openpgpjs@v5.3.1...v5.5.0)

---
updated-dependencies:
- dependency-name: openpgp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -31,7 +31,7 @@
         "hook-std": "^2.0.0",
         "node-fetch": "^2.6.7",
         "nyc": "^15.1.0",
-        "openpgp": "^5.3.1"
+        "openpgp": "^5.5.0"
     },
     "devDependencies": {
         "@openpgp/web-stream-tools": "^0.0.11",