fix(explorer): Update latest_patch version to 1.6.3 (#7070)

Author: jstirnaman

data/products.yml

@@ -83,7 +83,7 @@ influxdb3_explorer:
   menu_category: tools
   list_order: 1
   latest: explorer
-  latest_patch: 1.6.2
+  latest_patch: 1.6.3
   placeholder_host: localhost:8888
   ai_sample_questions:
     - How do I install and run Explorer?