chore(package): freeze release-it library and it's deps

Refs #6126

package.json

@@ -97,7 +97,7 @@
     "@babel/preset-env": "^7.10.2",
     "@babel/preset-react": "^7.10.1",
     "@babel/register": "^7.10.1",
-    "@release-it/conventional-changelog": "^1.1.0",
+    "@release-it/conventional-changelog": "=1.1.0",
     "autoprefixer": "^9.0.0",
     "babel-eslint": "^10.0.0",
     "babel-loader": "^8.1.0",
@@ -143,7 +143,7 @@
     "prettier": "^2.0.0",
     "raw-loader": "^4.0.0",
     "react-test-renderer": "^15.5.4",
-    "release-it": "^12.4.3",
+    "release-it": "=12.4.3",
     "rimraf": "^3.0.0",
     "sass-loader": "^7.1.0",
     "selenium-server-standalone-jar": "^3.141.5",