ci: fix docker build with node:lts-alpine

[mtrezza]

New Pull Request Checklist

• I am not disclosing a vulnerability.
• I am creating this PR in reference to an issue.

Issue Description

Related issue: #7662

Approach

Copy source files prior to installation to have config files ready for install.

TODOs before merging

n/a

[parse-github-assistant]

Thanks for opening this pull request!

• 🎉 We are excited about your hands-on contribution!

[codecov]

Codecov Report

Merging #7663 (530c1f0) into alpha (f1238ea) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##            alpha    #7663      +/-   ##
==========================================
- Coverage   94.03%   93.99%   -0.04%     
==========================================
  Files         181      181              
  Lines       13373    13373              
==========================================
- Hits        12575    12570       -5     
- Misses        798      803       +5     

Impacted Files	Coverage Δ
src/Adapters/Files/GridFSBucketAdapter.js	79.50% <0.00%> (-0.82%)	⬇️
src/Adapters/Storage/Mongo/MongoStorageAdapter.js	92.68% <0.00%> (-0.65%)	⬇️
src/RestWrite.js	94.04% <0.00%> (-0.16%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f1238ea...530c1f0. Read the comment docs.

[parseplatformorg]

🎉 This change has been released in version 5.0.0-alpha.3

[parseplatformorg]

🎉 This change has been released in version 5.0.0-beta.1

[parseplatformorg]

🎉 This change has been released in version 5.0.0