fix golangci-lint-action (#779)
fix golangci-lint-action (#779)

Error message:
```
level=error msg="Running error: buildir: failed to load package goarch: could not load export data: cannot import \"internal/goarch\" (unknown iexport format version 2), export data is newer version - update tool"
```

Upgrade `golangci-lint-action` to v3 https://github.com/golangci/golangci-lint-action/issues/434

Signed-off-by: Iñigo Horcajo <e6ce6f7fd8f6d029c5a189f90d7d05c22dd33875@gmail.com>
cloudevents/sdk-go,cloudevents/sdk-go