Disallow annotations with mutable objects

[MaryamZi]

Purpose

$title. This was previously allowed because the std lib used such annotations.

Fixes #24246

Check List

• Read the Contributing Guide
• 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

[MaryamZi]

Although ballerina-platform/ballerina-library#74 was fixed, seems like there are other mutable fields in HTTP annotations now - ballerina-platform/ballerina-library#4300.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +76.43% 🎉

Comparison is base (a9e9d76) 0.00% compared to head (1b110e2) 76.43%.

Additional details and impacted files

@@              Coverage Diff              @@
##             master   #40074       +/-   ##
=============================================
+ Coverage      0.00%   76.43%   +76.43%     
- Complexity        0    52411    +52411     
=============================================
  Files             9     2863     +2854     
  Lines            35   197347   +197312     
  Branches          0    25579    +25579     
=============================================
+ Hits              0   150839   +150839     
- Misses           35    38174    +38139     
- Partials          0     8334     +8334     

Files Changed	Coverage Δ
...alang/compiler/semantics/analyzer/SymbolEnter.java	69.03% <100.00%> (ø)

... and 2861 files with indirect coverage changes

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[github-actions]

This PR has been open for more than 15 days with no activity. This will be closed in 3 days unless the stale label is removed or commented.

[github-actions]

This PR has been open for more than 15 days with no activity. This will be closed in 3 days unless the stale label is removed or commented.

[github-actions]

This PR has been open for more than 15 days with no activity. This will be closed in 3 days unless the stale label is removed or commented.

[github-actions]

This PR has been open for more than 15 days with no activity. This will be closed in 3 days unless the stale label is removed or commented.

[github-actions]

This PR has been open for more than 15 days with no activity. This will be closed in 3 days unless the stale label is removed or commented.

[lochana-chathura]

Looks Good.

[MaryamZi]

Changing PR state to draft since stdlib needs to be fixed.