chore(deps): update dependency @salesforce/core to v8

Author: renovate[bot]

package.json

@@ -8,7 +8,7 @@
   "bugs": "https://github.com/mdapi-issues/retrieve-behavior-scratch-org/issues",
   "dependencies": {},
   "devDependencies": {
-    "@salesforce/core": "5.3.20",
+    "@salesforce/core": "8.6.3",
     "chai": "4.3.10",
     "execa": "8.0.1",
     "mocha": "10.2.0"