Support specifying sidecar's image for pod and namespace.

[cybwan]

…tation for pod and namespace.

Description:
Support specifying sidecar's image by "flomesh.io/sidecar-image" annotation for pod and namespace.

Testing done:

Affected area:

Functional Area
New Functionality	[X]
CI System	[ ]
CLI Tool	[ ]
Certificate Management	[ ]
Control Plane	[ ]
Demo	[ ]
Documentation	[ ]
Egress	[ ]
Ingress	[ ]
Install	[ ]
Networking	[ ]
Observability	[ ]
Performance	[ ]
SMI Policy	[ ]
Security	[ ]
Sidecar Injection	[ ]
Tests	[ ]
Upgrade	[ ]
Other	[ ]

Please answer the following questions with yes/no.

1. Does this change contain code from or inspired by another project? no

2. Is this a breaking change? no

3. Has documentation corresponding to this change been updated in the fsm-docs repo (if applicable)? no

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 13 lines in your changes missing coverage. Please review.

Project coverage is 14.46%. Comparing base (cf56380) to head (d993876).
Report is 111 commits behind head on release/v1.3.

Files	Patch %	Lines
...kg/sidecar/providers/pipy/driver/pipy_container.go	0.00%	13 Missing ⚠️

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Additional details and impacted files

@@                Coverage Diff                @@
##           release/v1.3     #327       +/-   ##
=================================================
- Coverage         46.81%   14.46%   -32.35%     
=================================================
  Files               199      760      +561     
  Lines             15239    51060    +35821     
=================================================
+ Hits               7134     7386      +252     
- Misses             8059    43505    +35446     
- Partials             46      169      +123     

Flag	Coverage Δ
unittests	14.46% <0.00%> (-32.35%)	⬇️

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