chore: prevent TypeScript from updating the minor version automatically

package.json

@@ -145,7 +145,7 @@
     "sinon": "^9.0.3",
     "ts-node": "^9.1.0",
     "typedoc": "^0.19.0",
-    "typescript": "^4.0.2"
+    "typescript": "~4.0.2"
   },
   "optionalDependencies": {
     "@malept/electron-installer-flatpak": "^0.11.2",

tools/update-dependencies.js

@@ -9,6 +9,7 @@ const DO_NOT_UPGRADE = [
   '@typescript-eslint/eslint-plugin', // special case
   'commander', // TODO: convert to yargs
   'cross-zip', // >= 4.0.0 requires Node 12
+  'typescript', // Promisify issues, see https://github.com/DefinitelyTyped/DefinitelyTyped/pull/49699
   'webpack' // Lots of incompatibilities between v4 and v5
 ]
 

yarn.lock

@@ -10085,7 +10085,7 @@ typescript@^3.1.3:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
   integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
 
-typescript@^4.0.2:
+typescript@~4.0.2:
   version "4.0.5"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
   integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==