Programmatically catch exceptions arising from authorization-related issues

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**Environment:**
- googleapis: "^94.0.0",
- node: v15.6.0

- What you're trying to do
Hi, I'm trying to programmatically catch exceptions that may arise from an authorization failure (e.g. if the clientId, clientSecret or even access/refresh tokens are invalid when their associated methods are called). My flow is to receive the credentials and tokens set them onto the oAuth2Client object, and then later on in the flow, perform a library call to create a file on the client's drive.
I'm looking to be able to detect if the credentials are invalid, catch the exception and elegantly handle it without crashing my server, much like what seems to be described in here: https://developers.google.com/maps/documentation/javascript/events#auth-errors.

- What code you've already tried
```
const { google } = require('googleapis');
google.options({
retryConfig: {
onRetryAttempt: (err) => {
console.log('err', err)
}
}
});

try {
...

...
const oAuth2Client: OAuth2Client = new google.auth.OAuth2(clientId, clientSecret, 'urn:ietf:wg:oauth:2.0:oob');
const credentialResponse = oAuth2Client.setCredentials(tokens); //the tokens are purposefully changed to be wrong here
const drive = google.drive({ version: 'v3', auth: oAuth2Client });
const fileMetadata = {
name: ,
driveId: ,
parents: []
};
var media = {
mimeType: 'application/vnd.google-apps.document',
body: uploadStream //abstracted
};
const file = drive.files.create(
{
resource: fileMetadata,
media,
supportsAllDrives: true,
fields: 'id, name, webViewLink, mimeType, fileExtension, webContentLink'
},
{
onUploadProgress: <...>
}
}
} catch (err) {
console.error(`Upload failed: ${err}`);
}
```
- Any error messages you're getting
```
GaxiosError: invalid_client
at Gaxios._request (/Users/user/Desktop/CloudFileStorage/node_modules/gaxios/build/src/gaxios.js:133:23)
at processTicksAndRejections (node:internal/process/task_queues:94:5)
at async OAuth2Client.refreshTokenNoCache (/Users/user/Desktop/CloudFileStorage/node_modules/google-auth-library/build/src/auth/oauth2client.js:174:21)
at async OAuth2Client.getRequestMetadataAsync (/Users/user/Desktop/CloudFileStorage/node_modules/google-auth-library/build/src/auth/oauth2client.js:284:17)
at async OAuth2Client.requestAsync (/Users/user/Desktop/CloudFileStorage/node_modules/google-auth-library/build/src/auth/oauth2client.js:357:23) {
```
I'm unable to catch this gaxios error even when trying to break out the execution during the retryConfig or wrapping the calls in try catches. Thanks for taking the time to read this!

Start with the drive.files.create call and the OAuth2Client.refreshTokenNoCache, getRequestMetadataAsync, and requestAsync entries shown in the stack trace. Trace how the asynchronous authorization failure is surfaced and compare it with the supplied try/catch and retryConfig usage. Done means invalid credentials produce a reliably catchable failure without crashing the server.

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