chore(deps): bump io.swagger.parser.v3:swagger-parser (#470)

Bumps [io.swagger.parser.v3:swagger-parser](https://github.com/swagger-api/swagger-parser) from 2.1.26 to 2.1.28.
- [Release notes](https://github.com/swagger-api/swagger-parser/releases)
- [Commits](swagger-api/swagger-parser@v2.1.26...v2.1.28)

---
updated-dependencies:
- dependency-name: io.swagger.parser.v3:swagger-parser
  dependency-version: 2.1.28
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

spotify-web-api-open-api/pom.xml

@@ -20,7 +20,7 @@
     <url>https://github.com/sonallux/spotify-web-api</url>
 
     <properties>
-        <swagger-parser.version>2.1.26</swagger-parser.version>
+        <swagger-parser.version>2.1.28</swagger-parser.version>
         <json-schema-validator.version>1.5.6</json-schema-validator.version>
 
         <moditect.module.name>de.sonallux.spotify.openapi</moditect.module.name>