Fix lint issuse

[erseco]

This pull request primarily focuses on code style improvements and minor formatting adjustments across both the source (src/ElpParser.php) and test files. No functional or logic changes were introduced. The updates enhance code readability and maintain consistency.

Code style and formatting improvements:

• Reformatted closure declarations in Pest test files (tests/Unit/ElpParserTest.php, tests/Pest.php) for better readability and consistency. [1] [2] [3] [4] [5] [6] [7] [8]
• Added or adjusted blank lines and docblock spacing in PHP files (src/ElpParser.php, tests/TestCase.php, tests/Unit/ElpParserTest.php) to improve structure and clarity. [1] [2] [3] [4]
• Reformatted a conditional statement in removeAccents for better readability (src/ElpParser.php).
• Removed unnecessary blank lines at the end of a test file (tests/Unit/ElpParserTest.php).
• Minor whitespace and alignment adjustments in method implementations (src/ElpParser.php).