[Snyk] Security upgrade mongoose from 5.13.8 to 6.0.4

Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
- services/articles-management/package.json

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	673/1000 Why? Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 5.6	Prototype Pollution SNYK-JS-MPATH-1577289	Yes	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: mongoose

The new version differs by 250 commits.

8d37fe5 chore: release 6.0.4
0e79c5c Merge pull request #10633 from AbdelrahmanHafez/prefer-async-await
09dae52 docs: remove useNewUrlParser, useUnifiedTopology, some other legacy options from docs
d278258 Merge pull request #10645 from theonlydaleking/patch-1
bb7c021 docs(defaults): clarify that `setDefaultsOnInsert` is `true` by default in 6.x
36d23ce fix(schema): handle maps of maps
d21d2b1 test(schema): repro #10644
57540aa fix(index.d.ts): allow using `type: [documentDefinition]` when defining a doc array in a schema
1a1a2f2 test: repro #10605
e94d603 fix: avoid setting defaults on insert on a path whose subpath is referenced in the update
e1d4aa4 fix(index.d.ts): simplify UpdateQuery to avoid "excessively deep and possibly infinite" errors with `extends Document` and `any`
3ee32b1 fix: upgrade mpath -> 0.8.4 re: aheckmann/mpath#13
8fc256c fix(schema): throw error if `versionKey` is not a string
3401881 chore: update opencollective sponsors
0305c3b update TS docs to reflect connect Opts
463f2d8 chore: release 6.0.3
953131d Merge pull request #10635 from AbdelrahmanHafez/patch-11
c4b0e86 get rid of co
d1ffe7c refactor more tests to async/await
48badcd refactor more tests to async/await
3089342 refactor more tests to async/await
72cdab0 refactor more tests to async/await
ab07251 use await delay instead of yield callback
720f0cc refactor more tests to async/await