fix: upgrade org.immutables:value from 2.8.3 to 2.9.3 (#127)

Snyk has created this PR to upgrade org.immutables:value from 2.8.3 to 2.9.3.

See this package in Maven Repository:
https://mvnrepository.com/artifact/org.immutables/value/

See this project in Snyk:
https://app.snyk.io/org/spotify-foss/project/d28d0545-d982-459c-a6a7-2fa44edc3d80?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

pom.xml

@@ -98,7 +98,7 @@
         <mockito-core.version>3.2.4</mockito-core.version>
         <commons-io.version>2.6</commons-io.version>
         <jackson.version>2.13.2.20220328</jackson.version>
-        <immutables.version>2.8.3</immutables.version>
+        <immutables.version>2.9.3</immutables.version>
         <powermock.version>2.0.2</powermock.version>
         <objenesis.version>3.0.1</objenesis.version>
         <opencensus.version>0.26.0</opencensus.version>