Bump brouter from `23c8123` to `8270ae6`

Bumps brouter from 23c8123 to 8270ae6.

Commits

• 8270ae6 Merge pull request #693 from quaelnix/gravel-profile
• 584a2a8 Update gravel.brf
• f2c01b8 Merge pull request #690 from zod/docker-publish
• 36e169a Merge pull request #689 from zod/pmd-7
• 47f5812 Add dependency on brouter-routing-app for distZip
• 83f001e Merge branch 'master' into pmd-7
• 51ebfd3 Disable image signing
• a148ba7 Add docker publish workflow based on workflow template
• d969ac1 Downgrade AGP version for IntelliJ IDEA compatibility
• 13781fb fixup! Upgrade to AGP 8.0 and Gradle 8.4
• Additional commits viewable in compare view

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