You probably are here because you leaked a secret somewhere and want to get straight to rotating the secret. If you are a solo developer or you know for sure you are the only user of the secret and understand what rotating the secret might disrupt, start here: Rotate the secret and store the new credential safely.
If you work in a team and are not sure who uses this secret, what it gives access to, or what outages might occur from rotating it, then please read on.