Update react-table to v8 (#2131)

Updating react-table to v8. 
- Migrating the existing table to v8
- Preserving the visuals and logic

What's done?
- Cell components are moved under `Cells` folder
- Old styles for react-table-6 is removed.
- Old types are removed
- All logic was preserved
- Some cell components are removed for simplicity


Fixes: https://github.com/grafana/oss-big-tent-squad/issues/125

.changeset/open-dolls-arrive.md

@@ -0,0 +1,5 @@
+---
+'grafana-zabbix': patch
+---
+
+Upgrade react-table to v8