This PR upgrades `golangci-lint` to v1.63.4 and fixes a warn message
which is reported by v1.63.4:
```text
WARN [config_reader] The configuration option `run.skip-dirs-use-default` is deprecated, please use `issues.exclude-dirs-use-default`.
```
Also fixes 2 warnings which are reported by v1.63.4:
```text
core/txpool/blobpool/blobpool.go:1754:12: S1005: unnecessary assignment to the blank identifier (gosimple)
for acct, _ := range p.index {
^
core/txpool/legacypool/legacypool.go:1989:19: S1005: unnecessary assignment to the blank identifier (gosimple)
for localSender, _ := range pool.locals.accounts {
^
```