Merge branch 'release/2.3.x' into release/2.4.x

# Conflicts:
#	Corona-Warn-App/src/main/java/de/rki/coronawarnapp/covidcertificate/vaccination/core/certificate/VaccinationDccV1.kt
#	Corona-Warn-App/src/main/java/de/rki/coronawarnapp/covidcertificate/vaccination/core/repository/storage/VaccinationContainer.kt
#	Corona-Warn-App/src/main/java/de/rki/coronawarnapp/vaccination/core/certificate/InvalidHealthCertificateException.kt
#	Corona-Warn-App/src/main/java/de/rki/coronawarnapp/vaccination/core/certificate/VaccinationDGCV1Parser.kt
#	Corona-Warn-App/src/main/java/de/rki/coronawarnapp/vaccination/core/qrcode/VaccinationQRCodeExtractor.kt
#	Corona-Warn-App/src/main/res/values-bg/vaccination_strings.xml
#	Corona-Warn-App/src/test/java/de/rki/coronawarnapp/covidcertificate/common/qrcode/VaccinationQrCodeValidatorTest.kt
#	Corona-Warn-App/src/test/java/de/rki/coronawarnapp/covidcertificate/vaccination/core/VaccinationQrCodeTestData.java
#	Corona-Warn-App/src/test/java/de/rki/coronawarnapp/covidcertificate/vaccination/core/VaccinationTestComponent.kt
#	Corona-Warn-App/src/test/java/de/rki/coronawarnapp/covidcertificate/vaccination/core/qrcode/VaccinationQRCodeExtractorTest.kt
#	Corona-Warn-App/src/test/java/de/rki/coronawarnapp/covidcertificate/vaccination/core/repository/storage/VaccinationContainerTest.kt
#	gradle.properties