fix: [cp26]Use base64 to encode not utf-8 bytes

[XuanYang-cn]

See also: #45654
pr: #45655

[sre-ci-robot]

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[sre-ci-robot]

[ci-v2-notice]
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[sre-ci-robot]

[INFO] PR Label Summary by Default
[FAILED] PR #45655 not merged

• Title: fix: Use base64 to encode not utf-8 bytes
• Status: OPEN
• Link: fix: Use base64 to encode not utf-8 bytes #45655

Use /refresh-label to update related check and label manually

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.66%. Comparing base (cb08db0) to head (5b3ade8).
⚠️ Report is 252 commits behind head on 2.6.

⚠️ Current head 5b3ade8 differs from pull request most recent head e9423d7

Please upload reports for the commit e9423d7 to get more accurate results.

Additional details and impacted files

@@             Coverage Diff             @@
##              2.6   #45656       +/-   ##
===========================================
+ Coverage   76.99%   83.66%    +6.66%     
===========================================
  Files        1700      513     -1187     
  Lines      262533    78982   -183551     
===========================================
- Hits       202142    66077   -136065     
+ Misses      53550    12905    -40645     
+ Partials     6841        0     -6841     

Components	Coverage Δ
Client	∅ <ø> (∅)
Core	83.66% <79.17%> (+1.44%)	⬆️
Go	∅ <ø> (∅)
see 1422 files with indirect coverage changes

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[sre-ci-robot]

[INFO] PR Label Summary by Default
[FAILED] PR #45655 not merged

• Title: fix: Use base64 to encode not utf-8 bytes
• Status: OPEN
• Link: fix: Use base64 to encode not utf-8 bytes #45655

Use /refresh-label to update related check and label manually

[sre-ci-robot]

[INFO] PR Label Summary by Default
[FAILED] PR #45655 not merged

• Title: fix: Use base64 to encode not utf-8 bytes
• Status: OPEN
• Link: fix: Use base64 to encode not utf-8 bytes #45655

Use /refresh-label to update related check and label manually