feat: allow ^ versions for character encoding packages (mochajs#5150)

* feat: allow ^ versions for character encoding packages

* escape-string-regexp too

* npm install ansi-colors@^4.1.3

* ...but keep package.json's dependencies entry the same

* Updated to the latest ansi-colors per review

package.json

@@ -51,22 +51,22 @@
     "test:smoke": "node ./bin/mocha --no-config test/smoke/smoke.spec.js"
   },
   "dependencies": {
-    "ansi-colors": "4.1.1",
-    "browser-stdout": "1.3.1",
+    "ansi-colors": "^4.1.3",
+    "browser-stdout": "^1.3.1",
     "chokidar": "^3.5.3",
     "debug": "4.3.4",
     "diff": "5.0.0",
-    "escape-string-regexp": "4.0.0",
+    "escape-string-regexp": "^4.0.0",
     "find-up": "5.0.0",
     "glob": "8.1.0",
-    "he": "1.2.0",
+    "he": "^1.2.0",
     "js-yaml": "4.1.0",
-    "log-symbols": "4.1.0",
+    "log-symbols": "^4.1.0",
     "minimatch": "5.0.1",
     "ms": "2.1.3",
     "serialize-javascript": "6.0.0",
     "strip-json-comments": "3.1.1",
-    "supports-color": "8.1.1",
+    "supports-color": "^8.1.1",
     "workerpool": "6.2.1",
     "yargs": "16.2.0",
     "yargs-parser": "20.2.4",