They way you've currently setup the Admin API is by providing a static access token. This won't work, because the correct auth flow is to use the client id and client secret to request an access token that's valid for 24 hours. After that, you have to refresh the access token with the client id and secret again.
https://shopify.dev/docs/apps/build/authentication-authorization/access-tokens/client-credentials-grant
They way you've currently setup the Admin API is by providing a static access token. This won't work, because the correct auth flow is to use the client id and client secret to request an access token that's valid for 24 hours. After that, you have to refresh the access token with the client id and secret again.
https://shopify.dev/docs/apps/build/authentication-authorization/access-tokens/client-credentials-grant