update analyzer version to >=4.4.0 <6.0.0

[amondnet]

Describe the changes proposed in this Pull Request.

If the PR fixes a specific issue, reference the issue with Fixes #.

Fixes #875
Fixes #850

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Pull Request Checklist

• If the changes are being made to code, ensure the version in pubspec.yaml is updated.
• Increment the major/minor/patch/patch-count, depending on the complexity of change
• Add the necessary unit tests to ensure the coverage does not drop
• Update the Changelog to include all changes made in this PR, organized by version
• Run the melo run set_version command from the root directory
• Include the necessary reviewers for the PR
• Update the docs if there are any API changes or additions to functionality

[netlify]

✅ Deploy Preview for mobx canceled.

Name	Link
🔨 Latest commit	a86b769
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[codecov]

Codecov Report

Merging #877 (a86b769) into master (0391ef0) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #877   +/-   ##
=======================================
  Coverage   98.95%   98.95%           
=======================================
  Files          55       55           
  Lines        1923     1923           
=======================================
  Hits         1903     1903           
  Misses         20       20           

Flag	Coverage Δ
flutter_mobx	100.00% <ø> (ø)
mobx	98.53% <ø> (ø)
mobx_codegen	100.00% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mobx_codegen/lib/src/type_names.dart	100.00% <100.00%> (ø)

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[tim-eucalyptus]

I'm hoping this gets merged ASAP and we get a new release! Thanks!

[fzyzcjy]

LGTM but ci seems to fail? please fix it before merging if possible :)

[amondnet]

@fzyzcjy Maybe mocktail has a problem with dart beta.

[amondnet]

felangel/mocktail#159

[tim-eucalyptus]

Fails on 3 tests on beta.

[amondnet]

felangel/mocktail#159 (comment)

[amondnet]

#879

[pavanpodila]

There are some failing tests in mobx. Can you see @amondnet ?

[HudsonAfonso]

news?

[tim-eucalyptus]

All checks have now passed. Ready to merge! :)