chore(deps): update ghcr.io/containeroo/alpine-toolbox docker tag to v2.6.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/containeroo/alpine-toolbox	final	minor	2.4.7 -> 2.6.0

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Release Notes

containeroo/alpine-toolbox (ghcr.io/containeroo/alpine-toolbox)

v2.6.0

Compare Source

• add catatonit as init process
• add script to catch SIGTERM signals
• start container with script so you do not have to pass any commands or args

v2.5.0

Compare Source

• no changes

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