fixing r10k entry point from docker-entrypoint.sh to container-entryp…

[anthonysomerset]

Short description

voxpupuli/r10k uses container-entrypoint.sh instead of docker-entrypoint.sh this just updates the r10k references to use the new file name

Checklist

I have:

• read the CONTRIBUTING.md document
• read and accepted the Developer Certificate of Origin document and added a Signed-off-by annotation to each of my commits
• read and accepted the AI Policy document and added Generated-by or Assisted-by annotations to each of my commits created with the help of an AI agent
• tested this code
• included documentation (including possible behaviour changes)
• documented the code
• added or modified regression test(s)
• added or modified unit test(s)

[rwaffen]

LGTM