cdoc2-key-capsules-2.2.0

• Add x-expiry-time header to POST /key-capsules response

https://github.com/open-eid/cdoc2-capsule-server/packages/2217039?version=2.2.0

Was manually published (note url open-eid/cdoc2-capsule-server):

mvn deploy:deploy-file \
-DrepositoryId=github \
-Durl=https://maven.pkg.github.com/open-eid/cdoc2-capsule-server \
-Dfile=cdoc2-openapi/cdoc2-key-capsules-openapi.yaml \
-Dversion=2.2.0 \
-Dpackaging=yaml \
-DgroupId=ee.cyber.cdoc2.openapi \
-DartifactId=cdoc2-key-capsules-openapi \
-Dmaven.deploy.file.skip=false

as previous version 2.1.0 was published under open-eid/cdoc2-capsule-server and changin url to open-eid/cdoc2-openapi gives status: 422 Unprocessable Entity