ranochigo is right. Unfortunately, Blockchain.com does not support rbf. Therefore, you can't bump the fees.
However, you can accelerate your transaction by creating a CPFP transaction. If you didn't spend your whole balance then you can do it yourself by exporting your wallet to an external wallet app that supports spending unconfirmed funds (Electrum is a good choice).
You can also try your luck with
ViaBTC free accelerator if your transaction is paying more than 0.0001 btc/kB.