Drop support of 2021. (perhaps just supporting 2022.3. would be enough?)
Enable plugin.xml patching to verifying against multiple IDEA versions
Update readme
Plugin Verifier results:
IC-223.8836.35 against org.zalando.intellij.swagger:1.1.2: Compatible. 19 usages of deprecated API
IC-231.8109.2 against org.zalando.intellij.swagger:1.1.2: Compatible. 20 usages of deprecated API
IC-222.4459.24 against org.zalando.intellij.swagger:1.1.2: Compatible. 19 usages of deprecated API
IC-221.6008.13 against org.zalando.intellij.swagger:1.1.2: Compatible. 19 usages of deprecated API
Plugin Verifier results: