fix: packages/google-cloud-language/samples/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-MATHJS-15989794
- https://snyk.io/vuln/SNYK-JS-MINIMATCH-15309438
- https://snyk.io/vuln/SNYK-JS-MINIMATCH-15353389

Author: snyk-io[bot]

packages/google-cloud-language/samples/package.json

@@ -16,14 +16,14 @@
   },
   "dependencies": {
     "@google-cloud/automl": "^5.0.0",
-    "mathjs": "^14.0.0",
+    "mathjs": "^15.2.0",
     "@google-cloud/language": "^7.2.1",
     "@google-cloud/storage": "^7.0.0",
     "yargs": "^17.0.0"
   },
   "devDependencies": {
     "chai": "^4.2.0",
-    "mocha": "^8.0.0",
+    "mocha": "^10.6.0",
     "uuid": "^9.0.0"
   }
 }