build(deps): bump kafka-schema-registry.version from 7.8.5 to 7.8.6 (#463)

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

Author: dependabot[bot]

pom.xml

@@ -58,7 +58,7 @@
         <!-- keep the next two in sync: https://docs.confluent.io/platform/current/installation/versions-interoperability.html -->
         <!-- as well as versions in the docker-compose.yml file -->
         <!-- refer to https://www.confluent.io/previous-versions/ for previous versions of Confluent Platform -->
-        <kafka-schema-registry.version>7.8.5</kafka-schema-registry.version>
+        <kafka-schema-registry.version>7.8.6</kafka-schema-registry.version>
         <!-- although our baseline version is 3.1, kafka connect below 3.4 is vulnerable to https://nvd.nist.gov/vuln/detail/CVE-2023-25194 -->
         <!-- although our baseline version is 3.1, kafka connect below 3.8 is vulnerable to https://www.cve.org/CVERecord?id=CVE-2023-43642 -->
         <!-- so we set the version to the first version that the vulnerability is resolved -->