feat: Add TransparentMemoryOffloading plugin to trigger memory offloading

[cheney-lin]

What type of PR is this?

Enhancements

What this PR does / why we need it:

This feature provides ability to trigger memory offload to save memory without performance downgrade, saved memory could be used for deploy more reclaimed_cores workloads to raise CPU utilization.

Which issue(s) this PR fixes:

Special notes for your reviewer:

[codecov]

Codecov Report

Attention: Patch coverage is 55.51537% with 246 lines in your changes are missing coverage. Please review.

Project coverage is 55.94%. Comparing base (88bd3ae) to head (7a1e3f1).
Report is 23 commits behind head on main.

Files	Patch %	Lines
...saware/resource/memory/plugin/memory_offloading.go	66.33%	70 Missing and 33 partials ⚠️
pkg/util/cgroup/manager/cgroup.go	32.50%	41 Missing and 13 partials ⚠️
...ins/memory/dynamicpolicy/policy_advisor_handler.go	24.39%	30 Missing and 1 partial ⚠️
...tions/dynamic/tmo/tmodefault/tmo_default_config.go	52.63%	18 Missing ⚠️
.../agent/metric/provisioner/malachite/provisioner.go	56.00%	11 Missing ⚠️
...sadvisor/plugin/qosaware/resource/helper/helper.go	36.36%	7 Missing ⚠️
pkg/util/general/common.go	0.00%	5 Missing ⚠️
pkg/util/metric/store.go	66.66%	5 Missing ⚠️
pkg/util/cgroup/manager/v2/fs_linux.go	62.50%	1 Missing and 2 partials ⚠️
...katalyst-agent/app/options/dynamic/tmo/tmo_base.go	77.77%	2 Missing ⚠️
... and 4 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #549      +/-   ##
==========================================
+ Coverage   55.78%   55.94%   +0.15%     
==========================================
  Files         524      532       +8     
  Lines       48534    49593    +1059     
==========================================
+ Hits        27077    27744     +667     
- Misses      18025    18316     +291     
- Partials     3432     3533     +101     

Flag	Coverage Δ
unittest	55.94% <55.51%> (+0.15%)	⬆️

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