feat(cleanup):bump ubuntu from 18(bionic) to 20(focal)

[tmdzk]

Signed-off-by: backport-bot tim@magmacore.org

feat(cleanup):bump ubuntu from 18(bionic) to 20(focal)

Summary

In the build process we download specific packages from the registry, those dockerfile are using the old one.
In order to use the new one that only support ubuntu 20 i'm bumping the images from bionic to focal

(In order to migrate everything to the new registry)

Test Plan

Let ci build everything and make sure it's green

Additional Information

• No Additional Information

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feg-workflow

    2 files  202 suites   37s ⏱️
371 tests 371 ✔️ 0 💤 0 ❌
385 runs  385 ✔️ 0 💤 0 ❌

Results for commit 81f38c0.

[uri200]

Is it possible to trigger cwag integ test for this PR? It would be good to see connectivity beetween gateways and core elements is not broken by the new version