fix: fix slice init length

[cuishuang]

Description

The intention here should be to initialize a slice with a capacity of len(g.addrs) rather than initializing the length of this slice.

The online demo: https://go.dev/play/p/q1BcVCmvidW

Related Issue

Versions

• Vald Version: v1.7.13
• Go Version: v1.23.2
• Rust Version: v1.81.0
• Docker Version: v27.3.1
• Kubernetes Version: v1.31.1
• Helm Version: v3.16.1
• NGT Version: v2.2.4
• Faiss Version: v1.8.0

Checklist

• I have read the CONTRIBUTING document and completed our CLA agreement.
• I have checked open Pull Requests for the similar feature or fixes?

Special notes for your reviewer

Summary by CodeRabbit

• Bug Fixes
  • Improved memory optimization for address handling in connection monitoring, enhancing performance during connection processes.

[CLAassistant]

All committers have signed the CLA.

[coderabbitai]

📝 Walkthrough

📝 Walkthrough

Walkthrough

The changes in this pull request involve a modification to the StartConnectionMonitor method of the gRPCClient struct in the internal/net/grpc/client.go file. The initialization of the addrs slice has been updated from a fixed-length slice to a dynamically sized slice, allowing for optimized memory usage when appending addresses. This change does not affect the method's logic or overall functionality, as no new methods were introduced and existing method signatures remain unchanged.

Changes

File	Change Summary
internal/net/grpc/client.go	Modified StartConnectionMonitor: changed addrs initialization from fixed-length to dynamically sized slice.

Sequence Diagram(s)

sequenceDiagram
    participant gRPCClient
    participant ConnectionMonitor

    gRPCClient->>ConnectionMonitor: StartConnectionMonitor()
    ConnectionMonitor->>gRPCClient: Initialize addrs slice
    gRPCClient->>ConnectionMonitor: Append addresses to addrs
    ConnectionMonitor->>gRPCClient: Monitor connections

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 23.99%. Comparing base (da446c0) to head (2bb30da).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/net/grpc/client.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2672      +/-   ##
==========================================
+ Coverage   23.97%   23.99%   +0.01%     
==========================================
  Files         539      539              
  Lines       47195    47195              
==========================================
+ Hits        11317    11325       +8     
+ Misses      35109    35098      -11     
- Partials      769      772       +3     

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