Chore: bump github.com/pires/go-proxyproto from 0.6.0 to 0.6.1 (#1263)

Bumps [github.com/pires/go-proxyproto](https://github.com/pires/go-proxyproto) from 0.6.0 to 0.6.1.
- [Release notes](https://github.com/pires/go-proxyproto/releases)
- [Commits](https://github.com/pires/go-proxyproto/compare/v0.6.0...v0.6.1)

---
updated-dependencies:
- dependency-name: github.com/pires/go-proxyproto
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
(cherry picked from commit 4a174e8aa66ce0aaccba602e87a032e101fea315)

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/lucas-clemente/quic-go v0.21.1
 	github.com/miekg/dns v1.1.42
 	github.com/pelletier/go-toml v1.8.1
-	github.com/pires/go-proxyproto v0.5.0
+	github.com/pires/go-proxyproto v0.6.1
 	github.com/seiflotfy/cuckoofilter v0.0.0-20201222105146-bc6005554a0c
 	github.com/stretchr/testify v1.7.0
 	github.com/v2fly/BrowserBridge v0.0.0-20210430233438-0570fc1d7d08