Update dependency twig/twig to ^3.18.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
twig/twig (source)	^3.16.0 -> ^3.18.0

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Release Notes

twigphp/Twig (twig/twig)

v3.18.0

Compare Source

• Fix unary operator precedence change
• Ignore SyntaxError exceptions from undefined handlers when using the guard tag
• Add a way to stream template rendering (TemplateWrapper::stream() and TemplateWrapper::streamBlock())

v3.17.1

Compare Source

• Fix the null coalescing operator when the test returns null
• Fix the Elvis operator when used as '? :' instead of '?:'
• Support for invoking closures

v3.17.0

Compare Source

• Fix ArrayAccess with objects as keys
• Support underscores in number literals
• Deprecate ConditionalExpression and NullCoalesceExpression (use ConditionalTernary and NullCoalesceBinary instead)

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