Bump openpgp from 5.3.1 to 5.4.0

Bumps [openpgp](https://github.com/openpgpjs/openpgpjs) from 5.3.1 to 5.4.0.
- [Release notes](https://github.com/openpgpjs/openpgpjs/releases)
- [Commits](openpgpjs/openpgpjs@v5.3.1...v5.4.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -25,7 +25,7 @@
     "@actions/core": "^1.9.1",
     "@actions/exec": "^1.1.1",
     "addressparser": "^1.0.1",
-    "openpgp": "^5.3.1"
+    "openpgp": "^5.4.0"
   },
   "devDependencies": {
     "@types/node": "^16.11.26",

yarn.lock

@@ -2788,10 +2788,10 @@ onetime@^5.1.2:
   dependencies:
     mimic-fn "^2.1.0"
 
-openpgp@^5.3.1:
-  version "5.3.1"
-  resolved "https://registry.yarnpkg.com/openpgp/-/openpgp-5.3.1.tgz#001df6b33546fbed044686d4d6af7e80ed9354d2"
-  integrity sha512-CxjY4gZ3D0pp6dJUmcM6EgjvDv0u+LsY+3ymULPZYRUPa0tmigDXHNUm5EX+omqmU401DTQNO6ud+QA6UpCdEA==
+openpgp@^5.4.0:
+  version "5.4.0"
+  resolved "https://registry.yarnpkg.com/openpgp/-/openpgp-5.4.0.tgz#679e7ce1c97994d72545bf5be818de15e5707b52"
+  integrity sha512-XgQnK8SYy4Ycg9BDvrXTE4foMwME/+1EfGZWZirUU2VPzU1X3xx094fChjbP10+gUJifAcoWTsT2zAbdhFUxyg==
   dependencies:
     asn1.js "^5.0.0"