fix: 🐛 unnecessary indent in raw php directive

[shufo]

Description

This PR fixes shufo/prettier-plugin-blade#239

Related Issue

• [Formatting Bug]: Adds spaces where there shouldn't be prettier-plugin-blade#239

Motivation and Context

There is an unnecessary indent spaces on blank line in @php ~ @endphp directive

How Has This Been Tested?

see tests

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (b9d5d53) 78.53% compared to head (a230be9) 78.63%.
Report is 15 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #874      +/-   ##
==========================================
+ Coverage   78.53%   78.63%   +0.09%     
==========================================
  Files          16       16              
  Lines        1724     1732       +8     
  Branches      408      413       +5     
==========================================
+ Hits         1354     1362       +8     
  Misses        355      355              
  Partials       15       15              

Files	Coverage Δ
src/formatter.ts	89.88% <100.00%> (+0.01%)	⬆️

... and 1 file with indirect coverage changes

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