Adds --yarn flag to vsce

.vscodeignore

@@ -20,3 +20,4 @@ package-lock.json
 tsconfig.json
 webpack.config.js
 webviews.tsconfig.json
+yarn.lock

package.json

@@ -5325,11 +5325,11 @@
         "bundle": "webpack --env.production",
         "clean": "git clean -Xdf -e !node_modules -e !node_modules/**/*",
         "lint": "eslint src/**/*.ts --fix",
-        "pack": "vsce package",
+        "pack": "vsce package --yarn",
         "pretty": "prettier --config .prettierrc --loglevel warn --write \"./**/*.{ts,md,json}\" && yarn run lint",
-        "pub": "vsce publish",
+        "pub": "vsce publish --yarn",
         "rebuild": "yarn run reset && yarn run build",
-        "reset": "yarn run clean && yarn install --no-save",
+        "reset": "yarn run clean && yarn --frozen-lockfile",
         "watch": "webpack --watch --env.development --info-verbosity verbose",
         "webviews:optimize": "webpack --config-name webviews --env.optimizeImages",
         "webviews:watch": "webpack --watch --config-name webviews --env.development --info-verbosity verbose",