chore: update README.md

Author: panva

README.md

@@ -22,9 +22,9 @@ The following features are currently in scope and implemented in this software:
 ## Sponsor
 
 <picture>
-  <source media="(prefers-color-scheme: dark)" srcset="./sponsor/Auth0byOkta_dark.png">
-  <source media="(prefers-color-scheme: light)" srcset="./sponsor/Auth0byOkta_light.png">
-  <img height="65" align="left" alt="Auth0 by Okta" src="./sponsor/Auth0byOkta_light.png">
+  <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/panva/openid-client/HEAD/sponsor/Auth0byOkta_dark.png">
+  <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/panva/openid-client/HEAD/sponsor/Auth0byOkta_light.png">
+  <img height="65" align="left" alt="Auth0 by Okta" src="https://raw.githubusercontent.com/panva/openid-client/HEAD/sponsor/Auth0byOkta_light.png">
 </picture>
 
 If you want to quickly add authentication to JavaScript apps, feel free to check out Auth0's JavaScript SDK and free plan. [Create an Auth0 account; it's free!][sponsor-auth0]<br><br>

examples/README.md

@@ -5,9 +5,9 @@ Support from the community to continue maintaining and improving this module is
 ## Sponsor
 
 <picture>
-  <source media="(prefers-color-scheme: dark)" srcset="../sponsor/Auth0byOkta_dark.png">
-  <source media="(prefers-color-scheme: light)" srcset="../sponsor/Auth0byOkta_light.png">
-  <img height="65" align="left" alt="Auth0 by Okta" src="../sponsor/Auth0byOkta_light.png">
+  <source media="(prefers-color-scheme: dark)" srcset="https://raw.githubusercontent.com/panva/openid-client/HEAD/sponsor/Auth0byOkta_dark.png">
+  <source media="(prefers-color-scheme: light)" srcset="https://raw.githubusercontent.com/panva/openid-client/HEAD/sponsor/Auth0byOkta_light.png">
+  <img height="65" align="left" alt="Auth0 by Okta" src="https://raw.githubusercontent.com/panva/openid-client/HEAD/sponsor/Auth0byOkta_light.png">
 </picture>
 
 If you want to quickly add authentication to JavaScript apps, feel free to check out Auth0's JavaScript SDK and free plan. [Create an Auth0 account; it's free!][sponsor-auth0]<br><br>