refactor(http): Import proper OutgoingHttpHeaders on all http clients

lib/datasource/docker/index.ts

@@ -1,4 +1,3 @@
-import { OutgoingHttpHeaders } from 'http';
 import URL from 'url';
 import { ECR } from '@aws-sdk/client-ecr';
 import hasha from 'hasha';
@@ -11,6 +10,7 @@ import { ExternalHostError } from '../../types/errors/external-host-error';
 import * as packageCache from '../../util/cache/package';
 import * as hostRules from '../../util/host-rules';
 import { Http, HttpResponse } from '../../util/http';
+import type { OutgoingHttpHeaders } from '../../util/http/types';
 import { ensureTrailingSlash, trimTrailingSlash } from '../../util/url';
 import * as dockerVersioning from '../../versioning/docker';
 import type { GetReleasesConfig, ReleaseResult } from '../types';

lib/datasource/npm/npmrc.ts

@@ -1,11 +1,11 @@
-import { OutgoingHttpHeaders } from 'http';
 import url from 'url';
 import is from '@sindresorhus/is';
 import ini from 'ini';
 import registryAuthToken from 'registry-auth-token';
 import getRegistryUrl from 'registry-auth-token/registry-url';
 import { getAdminConfig } from '../../config/admin';
 import { logger } from '../../logger';
+import type { OutgoingHttpHeaders } from '../../util/http/types';
 import { maskToken } from '../../util/mask';
 import { add } from '../../util/sanitize';
 

lib/datasource/rubygems/get.ts

@@ -1,7 +1,7 @@
-import { OutgoingHttpHeaders } from 'http';
 import urlJoin from 'url-join';
 import { logger } from '../../logger';
 import { Http } from '../../util/http';
+import type { OutgoingHttpHeaders } from '../../util/http/types';
 import type { ReleaseResult } from '../types';
 import { id } from './common';
 

lib/util/http/index.ts

@@ -9,17 +9,13 @@ import { resolveBaseUrl } from '../url';
 import { applyAuthorization, removeAuthorization } from './auth';
 import { applyHostRules } from './host-rules';
 import { getQueue } from './queue';
-import { GotOptions, RequestStats } from './types';
+import type { GotOptions, OutgoingHttpHeaders, RequestStats } from './types';
 
 // TODO: refactor code to remove this
 import './legacy';
 
 export * from './types';
 
-interface OutgoingHttpHeaders {
-  [header: string]: number | string | string[] | undefined;
-}
-
 export interface HttpOptions {
   body?: any;
   username?: string;
@@ -101,7 +97,7 @@ export class Http<GetOptions = HttpOptions, PostOptions = HttpPostOptions> {
       ...this.options,
       hostType: this.hostType,
       ...httpOptions,
-    } as unknown; // TODO: fixme
+    };
     if (process.env.NODE_ENV === 'test') {
       options.retry = 0;
     }

lib/util/http/types.ts

@@ -23,3 +23,7 @@ export interface RequestStats {
   duration: number;
   queueDuration: number;
 }
+
+export interface OutgoingHttpHeaders {
+  [header: string]: string | string[] | undefined;
+}