Fix: Update diy Dockerfile.repo to prevent glibc incompatibilities (copy #8452)

[mergify]

Fixes: #8450

There is a glibc incompatibility due to using the baserust docker image to build the router binary, but then using debian bookworm-slim for runtime that results in an unusable image.

This is the resulting failure when attempting to start:
/dist/router: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.39' not found (required by /dist/router)

This transitions to build using rust:1.91.1-slim-bookworm to address this issue.

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Checklist

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• Changeset is included for user-facing changes
• Changes are compatible¹
• Documentation² completed
• Performance impact assessed and acceptable
• Metrics and logs are added³ and documented
• Tests added and passing⁴
  • Unit tests
  • Integration tests
  • Manual tests, as necessary

Exceptions

Note any exceptions here

Notes

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This is an automatic copy of pull request #8452 done by [Mergify](https://mergify.com).

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[apollo-librarian]

✅ Docs preview ready

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File Changes

0 new, 3 changed, 0 removed

* graphos/routing/(latest)/observability/graphos/graphos-reporting.mdx
* graphos/routing/(latest)/observability/router-telemetry-otel/telemetry-pipelines/metrics-exporters/otlp.mdx
* graphos/routing/(latest)/observability/router-telemetry-otel/telemetry-pipelines/trace-exporters/otlp.mdx

Build ID: b4d278003816f92f31105598
Build Logs: View logs

URL: https://www.apollographql.com/docs/deploy-preview/b4d278003816f92f31105598

[abernix]

@BrynCooke requesting your review of this, per #8452.

I'll actually un-approve this just until I write the changelog for it.

[abernix]

@BrynCooke A final stamp from you would good. Please feel free to squash-merge if you approve.

@theJC I filled out the changeset, in case you wanted to hold my feet to the fire about nuances in explaining it, but it could be good enough as is. Thanks again!