Migrate filepath to jballerina

[riyafa]

Purpose

Migrate filepath to jballerina

Approach

Migrate according to the practice.

Samples

N/A

Remarks

N/A

Check List

• Read the Contributing Guide
• Required Balo version update
• Updated Change Log
• Checked Tooling Support (#)
• Added necessary tests
  • Unit Tests
  • Spec Conformance Tests
  • Integration Tests
  • Ballerina By Example Tests
• Increased Test Coverage
• Added necessary documentation
  • API documentation
  • Module documentation in Module.md files
  • Ballerina By Examples

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (jballerina@93962c0). Click here to learn what that means.
The diff coverage is 56.25%.

@@              Coverage Diff              @@
##             jballerina   #15914   +/-   ##
=============================================
  Coverage              ?   19.11%           
  Complexity            ?     4843           
=============================================
  Files                 ?     1491           
  Lines                 ?    75384           
  Branches              ?     9870           
=============================================
  Hits                  ?    14411           
  Misses                ?    59250           
  Partials              ?     1723

Impacted Files	Coverage Δ	Complexity Δ
...erinalang/stdlib/filepath/nativeimpl/Absolute.java	33.33% <33.33%> (ø)	1 <0> (?)
...lerinalang/stdlib/filepath/nativeimpl/Matches.java	50% <50%> (ø)	1 <0> (?)
...lerinalang/stdlib/filepath/nativeimpl/Resolve.java	60% <60%> (ø)	1 <0> (?)
.../java/org/ballerinalang/stdlib/filepath/Utils.java	72.72% <75%> (ø)	5 <2> (?)

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