fix: handle cases where public key is invalided (backport #2209)

[mergify]

Error handled from GSTR-1:

{
    "error": {
        "error_cd": "TEC4002",
        "message": "Invalid Data Format"
    },
    "status_cd": 0
}

Issue

GSTN updated public key every year. It may support 2 keys simultaneously for some duration.
GSP also updates the public key and may not support 2 keys simultaneously.

Hence this will help users update the key even if it's not expired and throws error.

---

This is an automatic backport of pull request #2209 done by Mergify.

[india-compliance-bot]

🎉 This PR is included in version 14.27.0 🎉

The release is available on GitHub release

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