Rename AccountsDb plugins to Geyser plugins (backport #23604) (#23668)

* Rename AccountsDb plugins to Geyser plugins (#23604)

(cherry picked from commit 102dd68a03)

# Conflicts:
#	Cargo.lock
#	Cargo.toml
#	core/Cargo.toml
#	core/src/replay_stage.rs
#	core/src/tvu.rs
#	geyser-plugin-interface/Cargo.toml
#	geyser-plugin-manager/Cargo.toml
#	geyser-plugin-manager/src/geyser_plugin_service.rs
#	geyser-plugin-manager/src/slot_status_notifier.rs
#	validator/src/bin/solana-test-validator.rs
#	validator/src/main.rs

* Fix conflicts

Co-authored-by: Tyera Eulberg <tyera@solana.com>

docs/sidebars.js

@@ -80,7 +80,7 @@ module.exports = {
       },
       "developing/test-validator",
       "developing/backwards-compatibility",
-      "developing/plugins/accountsdb_plugin"
+      "developing/plugins/geyser-plugins"
     ],
     Integrating: ["integrations/exchange"],
     Validating: [