build(deps): bump github.com/apache/dubbo-go-hessian2

Bumps [github.com/apache/dubbo-go-hessian2](https://github.com/apache/dubbo-go-hessian2) from 1.7.0 to 1.8.0.
- [Release notes](https://github.com/apache/dubbo-go-hessian2/releases)
- [Commits](https://github.com/apache/dubbo-go-hessian2/compare/v1.7.0...v1.8.0

)

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

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5
 	github.com/alibaba/sentinel-golang v0.6.2
 	github.com/apache/dubbo-getty v1.3.10
-	github.com/apache/dubbo-go-hessian2 v1.7.0
+	github.com/apache/dubbo-go-hessian2 v1.8.0
 	github.com/coreos/etcd v3.3.25+incompatible
 	github.com/creasty/defaults v1.5.1
 	github.com/dubbogo/go-zookeeper v1.0.2

go.sum

@@ -107,8 +107,8 @@ github.com/aliyun/aliyun-oss-go-sdk v0.0.0-20190307165228-86c17b95fcd5/go.mod h1
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
 github.com/apache/dubbo-getty v1.3.10 h1:ys5mwjPdxG/KwkPjS6EI0RzQtU6p6FCPoKpaFEzpAL0=
 github.com/apache/dubbo-getty v1.3.10/go.mod h1:x6rraK01BL5C7jUM2fPl5KMkAxLVIx54ZB8/XEOik9Y=
-github.com/apache/dubbo-go-hessian2 v1.7.0 h1:u2XxIuepu/zb6JcGZc7EbvKboXdKoJbf7rbmeq6SF1w=
-github.com/apache/dubbo-go-hessian2 v1.7.0/go.mod h1:7rEw9guWABQa6Aqb8HeZcsYPHsOS7XT1qtJvkmI6c5w=
+github.com/apache/dubbo-go-hessian2 v1.8.0 h1:+GJQHxWd/WUw2p4hbfCal/zjKvGVb8yJZzOke8IEazc=
+github.com/apache/dubbo-go-hessian2 v1.8.0/go.mod h1:7rEw9guWABQa6Aqb8HeZcsYPHsOS7XT1qtJvkmI6c5w=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e h1:QEF07wC0T1rKkctt1RINW/+RMTVmiwxETico2l3gxJA=