Bump tests to Mongo 4.0.23

[davimacedo]

New Pull Request Checklist

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

Issue Description

Related issue: FILL_THIS_OUT

Approach

TODOs before merging

• Add test cases
• Add entry to changelog
• Add changes to documentation (guides, repository pages, in-code descriptions)
• Add security check
• Add new Parse Error codes to Parse JS SDK
• ...

[davimacedo]

We also needed to bump node 15.9.0

[codecov]

Codecov Report

Merging #7205 (9e9ba13) into master (5d84085) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #7205      +/-   ##
==========================================
- Coverage   94.05%   94.04%   -0.01%     
==========================================
  Files         172      172              
  Lines       12850    12850              
==========================================
- Hits        12086    12085       -1     
- Misses        764      765       +1     

Impacted Files	Coverage Δ
src/RestWrite.js	93.84% <0.00%> (-0.17%)	⬇️

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[mtrezza]

I already created a PR that auto-creates a bump-PR for this, but I count't get the bump-BP be to created, due to permissions.will continue to look into this.

[parseplatformorg]

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

[parseplatformorg]

🎉 This change has been released in version 5.0.0