MM-52165 : Remove 50% maxWorker on Channels test run (#22962)

* test

* remove boards maxWorkers

---------

Co-authored-by: Caleb Roseland <caleb@calebroseland.com>
Co-authored-by: Mattermost Build <build@mattermost.com>

webapp/package-lock.json

@@ -19,6 +19,7 @@
         "blessed": "0.1.81",
         "chalk": "4.1.2",
         "concurrently": "7.6.0",
+        "cross-env": "7.0.3",
         "eslint": "8.37.0",
         "strip-ansi": "6.0.1"
       },
@@ -106,7 +107,6 @@
         "@typescript-eslint/eslint-plugin": "5.57.1",
         "@typescript-eslint/parser": "5.57.1",
         "babel-eslint": "10.1.0",
-        "cross-env": "^7.0.3",
         "css-loader": "6.7.1",
         "eslint-import-resolver-webpack": "0.13.2",
         "eslint-plugin-babel": "^5.3.1",
@@ -3702,7 +3702,6 @@
         "babel-plugin-typescript-to-proptypes": "1.4.2",
         "bundle-loader": "0.2.0",
         "copy-webpack-plugin": "11.0.0",
-        "cross-env": "7.0.3",
         "css-loader": "5.2.6",
         "dotenv-webpack": "8.0.1",
         "enzyme": "3.11.0",
@@ -44037,7 +44036,6 @@
         "babel-eslint": "10.1.0",
         "color": "^4.2.1",
         "core-js": "3.21.1",
-        "cross-env": "^7.0.3",
         "css-loader": "6.7.1",
         "draft-js": "^0.11.7",
         "emoji-mart": "^3.0.1",
@@ -54469,7 +54467,6 @@
         "copy-webpack-plugin": "11.0.0",
         "core-js": "3.26.0",
         "country-list": "2.2.0",
-        "cross-env": "7.0.3",
         "crypto-browserify": "3.12.0",
         "css-loader": "5.2.6",
         "css-vars-ponyfill": "2.4.8",