message: Fix loadConfigFromFile with relative paths
  * Fix loadConfigFromFile
  Fixes
  * Fix linter warnings
diff: -import { basename, dirname, join, relative } from "path";
  +import { basename, dirname, join, relative, resolve } from "path";
  import { fs, withGlobalFS } from "apollo-codegen-core/lib/localfs";
  import * as fg from "glob";
  @@ -139,11 +139,12 @@ export function loadConfigFromFile(
  defaultSchema: boolean
  ): ApolloConfig {
  if (file.endsWith(".js")) {
  - delete require.cache[require.resolve(file)];
  + const filepath = resolve(file);
  + delete require.cache[require.resolve(filepath)];
  return loadConfig(
  - require(file),
  - file,
  - dirname(file),
  + require(filepath),
  + filepath,
  + dirname(filepath),
  defaultEndpoint,
  defaultSchema
  );
  