fix: remove date in the end of ubuntu base image version

[weiZhenkun]

CVE issues #31997
This PR will fix 32 LOW and 42 MEDIUM CVEs

ubuntu:focal-20220426 (ubuntu 20.04)
Total: 99 (UNKNOWN: 0, LOW: 55, MEDIUM: 44, HIGH: 0, CRITICAL: 0)
ubuntu:focal (ubuntu 20.04)
Total: 25 (UNKNOWN: 0, LOW: 23, MEDIUM: 2, HIGH: 0, CRITICAL: 0)

[sre-ci-robot]

Welcome @weiZhenkun! It looks like this is your first PR to milvus-io/milvus 🎉

[mergify]

@weiZhenkun

Invalid PR Title Format Detected

Your PR submission does not adhere to our required standards. To ensure clarity and consistency, please meet the following criteria:

1. Title Format: The PR title must begin with one of these prefixes:

• feat: for introducing a new feature.
• fix: for bug fixes.
• enhance: for improvements to existing functionality.
• test: for add tests to existing functionality.
• doc: for modifying documentation.
• auto: for the pull request from bot.

2. Description Requirement: The PR must include a non-empty description, detailing the changes and their impact.

Required Title Structure:

[Type]: [Description of the PR]

Where Type is one of feat, fix, enhance, test or doc.

Example:

enhance: improve search performance significantly 

Please review and update your PR to comply with these guidelines.

[weiZhenkun]

/run-cpu-e2e

[mergify]

@weiZhenkun E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[weiZhenkun]

@LoveEachDay could you review this PR?

[weiZhenkun]

@xiaofan-luan could you review this PR?

[LoveEachDay]

@weiZhenkun It's recommended to use a specific tag instead only focal, like focal-2024010.

[weiZhenkun]

https://github.com/zilliztech/attu/blob/main/Dockerfile#L22
https://github.com/milvus-io/bitnami-docker-etcd/blob/3.5.0-new/3.5/debian-11/Dockerfile#L1
what about here?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.20%. Comparing base (dd9919a) to head (9df6d8e).
Report is 157 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #33073      +/-   ##
==========================================
+ Coverage   82.14%   82.20%   +0.05%     
==========================================
  Files        1006     1009       +3     
  Lines      128194   128856     +662     
==========================================
+ Hits       105306   105924     +618     
- Misses      18919    18944      +25     
- Partials     3969     3988      +19     

see 116 files with indirect coverage changes

[LoveEachDay]

https://github.com/zilliztech/attu/blob/main/Dockerfile#L22 https://github.com/milvus-io/bitnami-docker-etcd/blob/3.5.0-new/3.5/debian-11/Dockerfile#L1 what about here?

We don't release attu and etcd image frequently, while milvus image are building after every pr has been merged. So keep the runtime base image stable is critical.

[weiZhenkun]

/run-cpu-e2e

[weiZhenkun]

@LoveEachDay Change to latest version focal-20240427 now, please review, thanks.

[LoveEachDay]

/lgtm

[weiZhenkun]

/assign @yanliang567

[czs007]

/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: czs007, LoveEachDay, weiZhenkun

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• build/OWNERS [czs007]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment