Fix: issue #951 etcd exit panic

Fix: integration test in Github action

Fix: make metadata report work without serviceDiscovery

Add dmall icon

Imp: add trim for filter name list in config file

Merge pull request #999 from apache/dependabot/go_modules/develop/github.com/alibaba/sentinel-golang-1.0.2

Bump github.com/alibaba/sentinel-golang from 1.0.1 to 1.0.2

Merge pull request #1001 from apache/dependabot/go_modules/develop/github.com/stretchr/testify-1.7.0

Bump github.com/stretchr/testify from 1.6.1 to 1.7.0

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.6.1 to 1.7.0.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.6.1...v1.7.0

)

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

Bumps [github.com/alibaba/sentinel-golang](https://github.com/alibaba/sentinel-golang) from 1.0.1 to 1.0.2.
- [Release notes](https://github.com/alibaba/sentinel-golang/releases)
- [Commits](https://github.com/alibaba/sentinel-golang/compare/v1.0.1...v1.0.2

)

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

Ftr: Use nacos constant instead of hardcoded string in nacos registry

Enable Nacos registry local cache

[Fix] file service discovery path can run in windows