Bump solr-core from 3.6.2 to 8.8.2

Bumps solr-core from 3.6.2 to 8.8.2.

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index d3b02c8..266a6b7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -96,7 +96,7 @@
     <pax-exam.version>1.2.4</pax-exam.version>
     <pax-tiny-bundle.version>1.3.1</pax-tiny-bundle.version>
 
-    <solr.version>3.6.2</solr.version>
+    <solr.version>8.8.2</solr.version>
     <solr.bundle.version>3.6.2_2</solr.bundle.version>
 
     <protostuff.version>1.0.7</protostuff.version>