chore: replace eslint-import-resolver-alias with eslint-import-resolver-typescript (#4546)

Co-authored-by: Joe Previte <jjprevite@gmail.com>

.eslintrc.yaml

@@ -36,11 +36,8 @@ rules:
   import/order:
     [error, { alphabetize: { order: "asc" }, groups: [["builtin", "external", "internal"], "parent", "sibling"] }]
   no-async-promise-executor: off
-  # This isn't a real module, just types, which apparently doesn't resolve.
-  import/no-unresolved: [error, { ignore: ["express-serve-static-core"] }]
 
 settings:
-  # Does not work with CommonJS unfortunately.
-  import/ignore:
-    - env-paths
-    - xdg-basedir
+  import/resolver:
+    typescript:
+      alwaysTryTypes: true