Update dependency roave/backward-compatibility-check to ^8.6.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
roave/backward-compatibility-check	^8.4.0 -> ^8.6.0

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Release Notes

Roave/BackwardCompatibilityCheck (roave/backward-compatibility-check)

v8.6.0

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Release Notes for 8.6.0

Feature release (minor)

8.6.0

• Total issues resolved: 0
• Total pull requests resolved: 1
• Total contributors: 1

enhancement

• 757: Use ORGANIZATION&#​95;ADMIN&#​95;TOKEN to tag + release thanks to @​Ocramius

v8.5.0

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Release Notes for 8.5.0

Feature release (minor)

8.5.0

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

enhancement

• 755: Fix: Consistently indent with 2 spaces thanks to @​localheinz
• 754: Creation of PHAR using Nix, in a reproducible environment thanks to @​drupol

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[github-actions]

🏰 Composer Production Dependency changes 🏰

Prod Packages	Operation	Base	Target	Link
composer/ca-bundle	Upgraded	1.3.7	1.4.0	Compare
composer/composer	Upgraded	2.6.5	2.6.6	Compare
jetbrains/phpstorm-stubs	Upgraded	v2023.2	v2023.3	Compare
nikic/php-parser	Upgraded	v4.17.1	v4.18.0	Compare
revolt/event-loop	Upgraded	v1.0.5	v1.0.6	Compare
roave/backward-compatibility-check	Upgraded	8.4.0	8.6.0	Compare
roave/better-reflection	Upgraded	6.18.0	6.20.0	Compare
seld/jsonlint	Upgraded	1.10.0	1.10.1	Compare
symfony/process	Upgraded	v6.3.4	v6.4.0	Compare