Make distroless containers default in native path

[xlight05]

Purpose

1. Make distroless containers default in graalvm path
2. Use mostly static linking in the container by default
3. Make default flags not overridable in graalvm
4. Update GraalVM version in native builder

Resolves https://github.com/ballerina-platform/module-ballerina-c2c/issues/723
Resolves https://github.com/ballerina-platform/module-ballerina-c2c/issues/736

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[TharmiganK]

Changes look good to me 👍🏼

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.01% ⚠️

Comparison is base (6f81bfc) 82.39% compared to head (f0b19bc) 82.38%.
Report is 1 commits behind head on 2201.7.x.

Additional details and impacted files

@@              Coverage Diff               @@
##             2201.7.x     #728      +/-   ##
==============================================
- Coverage       82.39%   82.38%   -0.01%     
+ Complexity        396      395       -1     
==============================================
  Files              47       47              
  Lines            2170     2169       -1     
  Branches          268      268              
==============================================
- Hits             1788     1787       -1     
  Misses            253      253              
  Partials          129      129              

Files Changed	Coverage Δ
...main/java/io/ballerina/c2c/DockerGenConstants.java	0.00% <ø> (ø)
.../io/ballerina/c2c/utils/NativeDockerGenerator.java	72.34% <ø> (-1.13%)	⬇️
...n/java/io/ballerina/c2c/utils/KubernetesUtils.java	81.16% <100.00%> (+0.12%)	⬆️

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