chore: dep clean-up

Author: d-goog

package.json

@@ -36,9 +36,7 @@
     "assert-rejects": "^1.0.0",
     "c8": "^8.0.0",
     "chai": "^4.2.0",
-    "cheerio": "1.0.0-rc.12",
     "codecov": "^3.0.2",
-    "engine.io": "6.6.2",
     "gts": "^5.0.0",
     "is-docker": "^2.0.0",
     "jsdoc": "^4.0.0",
@@ -52,13 +50,12 @@
     "karma-sourcemap-loader": "^0.4.0",
     "karma-webpack": "5.0.0",
     "keypair": "^1.0.4",
-    "linkinator": "^4.0.0",
+    "linkinator": "^6.1.2",
     "mocha": "^9.2.2",
     "mv": "^2.1.1",
     "ncp": "^2.0.0",
     "nock": "^13.0.0",
     "null-loader": "^4.0.0",
-    "pdfmake": "0.2.12",
     "puppeteer": "^21.0.0",
     "sinon": "^18.0.0",
     "ts-loader": "^8.0.0",