cluster: fix malformed commands in local executor

[AstroProfundis]

What problem does this PR solve?

Fix #1268

What is changed and how it works?

Adjust commands to use ' for sed instead of " and properly escape " in commands.

Check List

Tests

• Manual test (add detailed scripts or steps below)

Release notes:

NONE

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• srstack

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[codecov-commenter]

Codecov Report

Merging #1734 (4836a9b) into master (44ceb86) will decrease coverage by 0.04%.
The diff coverage is 78.26%.

@@            Coverage Diff             @@
##           master    #1734      +/-   ##
==========================================
- Coverage   53.21%   53.17%   -0.04%     
==========================================
  Files         303      303              
  Lines       34357    34363       +6     
==========================================
- Hits        18282    18272      -10     
- Misses      13933    13945      +12     
- Partials     2142     2146       +4     

Flag	Coverage Δ
cluster	41.39% <39.13%> (-0.04%)	⬇️
dm	24.77% <43.48%> (-0.01%)	⬇️
playground	12.73% <0.00%> (-<0.01%)	⬇️
tiup	14.52% <0.00%> (-0.03%)	⬇️
unittest	21.42% <47.83%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/cluster/executor/local.go	59.38% <61.54%> (-0.62%)	⬇️
pkg/cluster/spec/grafana.go	63.81% <100.00%> (ø)
pkg/cluster/spec/monitoring.go	72.73% <100.00%> (ø)
pkg/repository/store/txn.go	56.91% <0.00%> (-2.13%)	⬇️
pkg/cluster/api/pdapi.go	59.47% <0.00%> (-1.59%)	⬇️

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[AstroProfundis]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 4836a9b