chore: use oclif v2

Author: mdonnalley

.sfdevrc.json

@@ -0,0 +1,5 @@
+{
+  "test": {
+    "testsPath": "test/**/*.test.ts"
+  }
+}

package.json

@@ -11,11 +11,10 @@
     "tslib": "^2"
   },
   "devDependencies": {
-    "@oclif/dev-cli": "^1.26.0",
     "@oclif/plugin-command-snapshot": "^2.2.2",
     "@salesforce/cli-plugins-testkit": "^1.1.5",
     "@salesforce/dev-config": "^2.1.2",
-    "@salesforce/dev-scripts": "^0.9.14",
+    "@salesforce/dev-scripts": "^0.9.16",
     "@salesforce/plugin-command-reference": "^1.3.0",
     "@salesforce/plugin-functions": "^0.2.13",
     "@salesforce/plugin-project-org": "^0.0.2",
@@ -36,8 +35,9 @@
     "eslint-plugin-prettier": "^3.1.3",
     "husky": "^4.3.8",
     "lint-staged": "^11.0.0",
-    "mocha": "^8.3.0",
+    "mocha": "^8.4.0",
     "nyc": "^15.1.0",
+    "oclif": "^2.0.0-main.0",
     "prettier": "^2.0.5",
     "pretty-quick": "^3.1.0",
     "shx": "0.3.3",