feat(operator): add-pressure-exec replace job(get pod log)

[moomman]

Type of change:

• Bugfix
• New feature provided
• Improve performance

What this PR does / why we need it:

1. add pressureCfg spec for pressure-exec
2. change status Msg to express steady And chaos experiment

Pre-submission checklist:

• Did you explain what problem does this PR solve? Or what new features have been added?
• Have you added corresponding test cases?
• Have you modified the corresponding document?
  [GSoC 2023] Introduce New CRD ShardingSphereChaos #272

[codecov-commenter]

Codecov Report

Merging #358 (96a9645) into main (6c3683b) will decrease coverage by 3.52%.
The diff coverage is 11.21%.

❗ Current head 96a9645 differs from pull request most recent head bd0378b. Consider uploading reports for the commit bd0378b to get more accurate results

@@            Coverage Diff             @@
##             main     #358      +/-   ##
==========================================
- Coverage   45.74%   42.22%   -3.52%     
==========================================
  Files          47       45       -2     
  Lines        5032     4710     -322     
==========================================
- Hits         2302     1989     -313     
- Misses       2561     2568       +7     
+ Partials      169      153      -16     

Impacted Files	Coverage Δ
...ator/cmd/shardingsphere-operator/manager/option.go	46.42% <0.00%> (-0.42%)	⬇️
...pkg/controllers/shardingsphere_chaos_controller.go	0.00% <0.00%> (ø)
shardingsphere-operator/pkg/pressure/pressure.go	0.00% <0.00%> (ø)
...e-operator/pkg/reconcile/storagenode/aws/aurora.go	0.00% <0.00%> (ø)
...here-operator/pkg/reconcile/storagenode/aws/aws.go	0.00% <ø> (ø)
...perator/pkg/controllers/storage_node_controller.go	40.65% <17.75%> (-27.37%)	⬇️
...rator/pkg/reconcile/storagenode/aws/rdsinstance.go	22.46% <26.76%> (+6.46%)	⬆️
pitr/cli/pkg/httputils/req.go	21.91% <69.23%> (ø)

... and 5 files with indirect coverage changes

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[Xu-Wentao]

add more meaningful test to cover your core func like exec pressure

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
7 Code Smells

No Coverage information
0.0% Duplication

[Xu-Wentao]

lgtm