build(deps): bump github.com/polarismesh/polaris-go

Bumps [github.com/polarismesh/polaris-go](https://github.com/polarismesh/polaris-go) from 1.3.0 to 1.5.6.
- [Release notes](https://github.com/polarismesh/polaris-go/releases)
- [Changelog](https://github.com/polarismesh/polaris-go/blob/main/CHANGELOG.md)
- [Commits](polarismesh/polaris-go@v1.3.0...v1.5.6)

---
updated-dependencies:
- dependency-name: github.com/polarismesh/polaris-go
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

contrib/registry/polaris/go.mod

@@ -4,7 +4,7 @@ go 1.19
 
 require (
 	github.com/go-kratos/kratos/v2 v2.7.1
-	github.com/polarismesh/polaris-go v1.3.0
+	github.com/polarismesh/polaris-go v1.5.6
 )
 
 require (
@@ -19,7 +19,9 @@ require (
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/natefinch/lumberjack v2.0.0+incompatible // indirect
-	github.com/prometheus/client_golang v1.12.1 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/polarismesh/specification v1.4.1 // indirect
+	github.com/prometheus/client_golang v1.12.2 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.32.1 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect