Tiup upgrade hit many warning like "invalid signature for file snapshot.json"

[mayjiang0203]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. What did you do?

2. What did you expect to see? Hit such warnings many time, not sure what is caused and how to fix. Warn: invalid signature for file snapshot.json: crypto/rsa: verification error Warn: invalid signature for file snapshot.json: crypto/rsa: verification error Warn: invalid signature for file snapshot.json: crypto/rsa: verification error Warn: invalid signature for file snapshot.json: crypto/rsa: verification error Warn: invalid signature for file snapshot.json: crypto/rsa: verification error Warn: invalid signature for file snapshot.json: crypto/rsa: verification error Warn: invalid signature for file snapshot.json: crypto/rsa: verification error Warn: invalid signature for file snapshot.json: crypto/rsa: verification error Warn: invalid signature for file snapshot.json: crypto/rsa: verification error Warn: invalid signature for file snapshot.json: crypto/rsa: verification error

3. What did you see instead? a、Should give more information about why and how to fix. b、No such warnings.

4. What version of TiUP are you using (tiup --version)? [root@436 brlog]# tiup --version 1.10.3 tiup Go Version: go1.18.5 Git Ref: v1.10.3 GitHash: e198ac54996fa5a29f1961a460d6634ee9e75d2