chore(deps): update dependency doctrine/coding-standard to v12

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
doctrine/coding-standard (source)	require	major	^11.0 -> ^12.0

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Release Notes

doctrine/coding-standard

v12.0.0

Compare Source

Release Notes for 12.0.0

Backwards incompatible release (major)

12.0.0

• Total issues resolved: 0
• Total pull requests resolved: 4
• Total contributors: 2

New rule

• 311: Configure "SlevomatCodingStandard.Commenting.AnnotationName" rule thanks to @​phansys
• 310: Disallow string property fetch thanks to @​greg0ire

Dependencies

• 312: Bump "slevomat/coding-standard" to ^8.11 thanks to @​phansys

Improvement

• 313: Set Bash explicitly as default shell in Makefile thanks to @​phansys

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