Bump org.apache.solr:solr-core from 8.6.3 to 8.8.2 in /pulsar-io/solr

Bumps org.apache.solr:solr-core from 8.6.3 to 8.8.2.

---
updated-dependencies:
- dependency-name: org.apache.solr:solr-core
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pulsar-io/solr/pom.xml b/pulsar-io/solr/pom.xml
index 8156279..3f2c52f 100644
--- a/pulsar-io/solr/pom.xml
+++ b/pulsar-io/solr/pom.xml
@@ -29,7 +29,7 @@
     </parent>
 
     <properties>
-        <solr.version>8.6.3</solr.version>
+        <solr.version>8.8.2</solr.version>
     </properties>
 
     <artifactId>pulsar-io-solr</artifactId>