Send Otel traces to the control plane.

[Warashi]

What this PR does / why we need it:

• Add trace spans for the plan and deployment.
• Add default attributes for tracing.
• Disable opentelemetry-collector routes when monitoring isn't enabled.

This is the sample trace sent to the local Jaeger by this implementation.

Which issue(s) this PR fixes:

Part of #4977

The rest are below.

• add documents.
• add the component to visualize traces.

Does this PR introduce a user-facing change?: No

• How are users affected by this change:
• Is this breaking change:
• How to migrate (if breaking change):

[codecov]

Codecov Report

Attention: Patch coverage is 7.00000% with 186 lines in your changes missing coverage. Please review.

Project coverage is 22.76%. Comparing base (f89dd9a) to head (c016886).
Report is 56 commits behind head on master.

Files with missing lines	Patch %	Lines
pkg/app/pipedv1/cmd/piped/piped.go	0.00%	55 Missing ⚠️
pkg/app/pipedv1/controller/scheduler.go	0.00%	45 Missing ⚠️
pkg/app/piped/controller/scheduler.go	0.00%	44 Missing ⚠️
pkg/app/piped/cmd/piped/piped.go	0.00%	21 Missing ⚠️
pkg/app/piped/controller/planner.go	0.00%	14 Missing ⚠️
pkg/app/pipedv1/controller/planner.go	0.00%	3 Missing ⚠️
pkg/app/piped/controller/tracing.go	77.77%	2 Missing ⚠️
pkg/app/pipedv1/controller/tracing.go	77.77%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5092      +/-   ##
==========================================
- Coverage   22.82%   22.76%   -0.06%     
==========================================
  Files         409      414       +5     
  Lines       43338    44044     +706     
==========================================
+ Hits         9891    10027     +136     
- Misses      32668    33228     +560     
- Partials      779      789      +10     

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[Warashi]

I found some needs for refactoring, so I changed this PR's state to a draft.

→ completed

[ffjlabo]

LGTM!

[khanhtc1202]

LGTM 👍