fix(core): use credentials provided by extensions when instantiating sigv4 signer (#6956)

* fix(core): sigv4ConfigResolver access client creds to instantiate signer

* chore(clients): update smithy version for httpAuthScheme resolver

* chore: codegen

Author: kuhe

clients/client-accessanalyzer/src/AccessAnalyzerClient.ts

@@ -460,7 +460,7 @@ export class AccessAnalyzerClient extends __Client<
     const _config_4 = resolveRegionConfig(_config_3);
     const _config_5 = resolveHostHeaderConfig(_config_4);
     const _config_6 = resolveEndpointConfig(_config_5);
-    const _config_7 = resolveHttpAuthSchemeConfig(_config_6);
+    const _config_7 = resolveHttpAuthSchemeConfig(_config_6, { client: () => this });
     const _config_8 = resolveRuntimeExtensions(_config_7, configuration?.extensions || []);
     super(_config_8);
     this.config = _config_8;

clients/client-accessanalyzer/src/auth/httpAuthSchemeProvider.ts

@@ -128,10 +128,11 @@ export interface HttpAuthSchemeResolvedConfig extends AwsSdkSigV4AuthResolvedCon
 /**
  * @internal
  */
-export const resolveHttpAuthSchemeConfig = <T>(
-  config: T & HttpAuthSchemeInputConfig & AwsSdkSigV4PreviouslyResolved
+export const resolveHttpAuthSchemeConfig = <T, R extends object>(
+  config: T & HttpAuthSchemeInputConfig & AwsSdkSigV4PreviouslyResolved,
+  { client }: { client: () => { config: R } }
 ): T & HttpAuthSchemeResolvedConfig => {
-  const config_0 = resolveAwsSdkSigV4Config(config);
+  const config_0 = resolveAwsSdkSigV4Config(config, client);
   return {
     ...config_0,
   } as T & HttpAuthSchemeResolvedConfig;