Use latest CI container image v38

[kelson42]

• Use versin 38 of CI container base images
• use pinned version of CD packages

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: +0.06 :tada:

Comparison is base (4af4325) 57.47% compared to head (e0c353c) 57.54%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #817 +/- ## ========================================== + Coverage 57.47% 57.54% +0.06% ========================================== Files 98 98 Lines 4541 4541 Branches 1910 1910 ========================================== + Hits 2610 2613 +3 + Misses 674 673 -1 + Partials 1257 1255 -2 ``` [see 1 file with indirect coverage changes](https://app.codecov.io/gh/openzim/libzim/pull/817/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openzim)

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