docs: use relative imports

Author: ignace

guides/release/components/template-tag-format.md

@@ -67,7 +67,7 @@ The template tag format uses strict template semantics. This means that you can
 When making use of the "Avatar" component as defined before in a different component file, it first needs to be imported. This is done using the `import` statement, just like you would import any other JavaScript module.
 
 ```text {data-filename="app/components/message.gjs"}
-import Avatar from 'app/components/avatar';
+import Avatar from './avatar';
 
 <template>
   <Avatar
@@ -112,7 +112,7 @@ For example, when moving the "Avatar" component to the `app/components/messages`
 This quirk is no longer necessary with the template tag format. Instead, importing now works the same as importing any other JavaScript module.
 
 ```text {data-filename="app/components/avatar-usage.gjs"}
-import Avatar from 'app/components/messages/avatar';
+import Avatar from './messages/avatar';
 
 <template>
   <Avatar