deps: upgrade kratos version to v2.8.1

[shenqidebaozi]

New Features

• feat(middleware/metrics): make DefaultSecondsHistogram simply (feat(middleware/metrics): make middleware histograms simply #3385)
• feat: adding stream interceptor for logging middleware (adding stream interceptor for logging middleware #3359)
• feat(contrib/log/zap): If disable this level of logging entirely, avoid additional overhead (feat(contrib/log/zap): If disable this level of logging entirely, av… #3357)
• feat(resolver/discovery): expose create watcher timeout error (feat(resolver/discovery): expose create watcher timeout error #3392)

Bug Fixes

• fix: fix errors reported by Lint CI. (fix: fix errors reported by Lint CI. #3435)
• fix: add timeout configuration in grpc dial function (fix: add timeout configuration in grpc dial function #3365)
• fix: when entering idle mode, the old resolve-related resources have not been completely processed, and an exception occurs when exiting idle mode immediately. (fix: when entering idle mode, the old resolve-related resources have … #3402)
• fix(registry/polaris): fix concurrent map iteration and map write 使用北极星作为服务发现时，在注册多个grpc client时，启动报错：concurrent map iteration and map write #3361 (fix(registry/polaris): fix concurrent map iteration and map write #3361 #3386)
• fix: fixed typo ((fix): fixed typo #3395)
• fix: filter redundant endpoints invalid (fix: filter redundant endpoints invalid #3373)

Chores

• chore: upgrade golangci-lint version to v1.60.3 and fix lint (chore: upgrade golangci-lint version to v1.60.3 and fix lint #3414)
• chore: remove non-existent test methods (test: remove non-existent test methods #2770)
• chore: replace the DisableDebugLog method, which is marked as Deprecated, with the PrintDebugLog method in the discovery test (chore: replace the DisableDebugLog method with the PrintDebugLog method #3364)

Others

• faet: add buf config for protoc-gen-go-errors (add buf config for protoc-gen-go-errors #3403)
• perf: optimize the http.ContentType method (perf: optimize the http.ContentType method #3363)
• build(deps): bump github/codeql-action from 2 to 3 (build(deps): bump github/codeql-action from 2 to 3 #3119)
• build(deps): bump google.golang.org/protobuf in /cmd/protoc-gen-go-http (build(deps): bump google.golang.org/protobuf from 1.28.0 to 1.33.0 in /cmd/protoc-gen-go-http #3237)
• build(deps): bump golang.org/x/net in /contrib/errortracker/sentry (build(deps): bump golang.org/x/net from 0.19.0 to 0.23.0 in /contrib/errortracker/sentry #3288)
• build(deps): bump golang.org/x/net in /contrib/registry/etcd (build(deps): bump golang.org/x/net from 0.19.0 to 0.23.0 in /contrib/registry/etcd #3289)
• build(deps): bump golang.org/x/net in /contrib/config/kubernetes (build(deps): bump golang.org/x/net from 0.19.0 to 0.23.0 in /contrib/config/kubernetes #3291)
• build(deps): bump golang.org/x/net in /contrib/registry/kubernetes (build(deps): bump golang.org/x/net from 0.19.0 to 0.23.0 in /contrib/registry/kubernetes #3290)
• build(deps): bump golang.org/x/net in /contrib/log/aliyun (build(deps): bump golang.org/x/net from 0.19.0 to 0.23.0 in /contrib/log/aliyun #3292)
• build(deps): bump golang.org/x/net in /contrib/registry/polaris (build(deps): bump golang.org/x/net from 0.19.0 to 0.23.0 in /contrib/registry/polaris #3294)
• build(deps): bump actions/setup-go from 5.0.1 to 5.0.2 (build(deps): bump actions/setup-go from 5.0.1 to 5.0.2 #3362)