Increase the full test discovery rollout to 100% (#3589)

Bump new explorer rollout to 100%

Author: alexcrocha

vscode/src/common.ts

@@ -89,7 +89,7 @@ export const SUPPORTED_LANGUAGE_IDS = ["ruby", "erb"];
 export const FEATURE_FLAGS = {
   tapiocaAddon: 1.0,
   launcher: 0.1,
-  fullTestDiscovery: 0.7,
+  fullTestDiscovery: 1.0,
 };
 
 type FeatureFlagConfigurationKey = keyof typeof FEATURE_FLAGS | "all";