Load settings from a URL, retrying on network errors and retryable HTTP responses (see
fetchWithRetryRaw). Unlike resolveTrustSettings's trust-anchor fetch, this
does not enforce a response-size cap or validate the content — it's meant for loading an
app's own trusted configuration file, not untrusted resources embedded in a manifest.
Load settings from a URL, retrying on network errors and retryable HTTP responses (see fetchWithRetryRaw). Unlike resolveTrustSettings's trust-anchor fetch, this does not enforce a response-size cap or validate the content — it's meant for loading an app's own trusted configuration file, not untrusted resources embedded in a manifest.