docs: Update CHANGELOG for release v3.0.5

[justxuewei]

What this PR does:

This pull request is for release v3.0.5, which focuses on stability. The CHANGELOG is updated.

Which issue(s) this PR fixes:
Fixes #

You should pay attention to items below to ensure your pr passes our ci test
We do not merge pr with ci tests failed

• All ut passed (run 'go test ./...' in project root)
• After go-fmt ed , run 'go fmt project' using goland.
• Golangci-lint passed, run 'sudo golangci-lint run' in project root.
• Your new-created file needs to have apache license at the top, like other existed file does.
• All integration test passed. You can run integration test locally (with docker env). Clone our dubbo-go-samples project and replace the go.mod to your dubbo-go, and run 'sudo sh start_integration_test.sh' at root of samples project root. (M1 Slice is not Support)

Signed-off-by: Xuewei Niu justxuewei@apache.org

[justxuewei]

Please ignore the SonarCloud message as it is not relevant to this pull request.

[codecov-commenter]

Codecov Report

Merging #2198 (5fdf62b) into 3.0 (2e4e958) will decrease coverage by 0.14%.
The diff coverage is 28.68%.

@@            Coverage Diff             @@
##              3.0    #2198      +/-   ##
==========================================
- Coverage   44.26%   44.13%   -0.14%     
==========================================
  Files         283      283              
  Lines       17050    17164     +114     
==========================================
+ Hits         7548     7576      +28     
- Misses       8707     8790      +83     
- Partials      795      798       +3     

Impacted Files	Coverage Δ
metadata/service/local/service_proxy.go	62.35% <0.00%> (-0.75%)	⬇️
registry/base_registry.go	1.41% <0.00%> (-0.02%)	⬇️
registry/etcdv3/registry.go	2.98% <0.00%> (-0.10%)	⬇️
...y/event/service_instances_changed_listener_impl.go	0.00% <0.00%> (ø)
registry/mock_registry.go	0.00% <0.00%> (ø)
registry/nacos/registry.go	42.07% <0.00%> (-3.93%)	⬇️
...try/servicediscovery/service_discovery_registry.go	1.11% <0.00%> (-0.15%)	⬇️
registry/zookeeper/listener.go	0.00% <0.00%> (ø)
registry/zookeeper/registry.go	1.21% <0.00%> (-0.02%)	⬇️
registry/zookeeper/service_discovery.go	17.07% <0.00%> (ø)
... and 13 more

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

No Coverage information
3.0% Duplication