fix flex-layout version

[DenysVuika]

Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x")

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation
• Other... Please describe:

What is the current behaviour? (You can also link to an open issue here)

What is the new behaviour?

fix typo in the version of flex-layout dependency
fixes #6039

Does this PR introduce a breaking change? (check one with "x")

• Yes
• No

If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...

Other information:

[codecov-commenter]

Codecov Report

Merging #6040 into develop will increase coverage by 3.11%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #6040      +/-   ##
===========================================
+ Coverage    76.35%   79.47%   +3.11%     
===========================================
  Files          845       91     -754     
  Lines        18759     2490   -16269     
  Branches      3716      473    -3243     
===========================================
- Hits         14324     1979   -12345     
+ Misses        3314      384    -2930     
+ Partials      1121      127     -994     

Impacted Files	Coverage Δ
.../lib/task-list/components/attach-form.component.ts	43.58% <0.00%> (ø)
lib/core/services/startup-service-factory.ts
...rm/services/content-cloud-node-selector.service.ts
...ocess-filters/models/process-filter-cloud.model.ts
...filters/components/task-filters-cloud.component.ts
lib/core/services/people-content.service.ts
...ponents/structural/diagram-subprocess.component.ts
lib/core/pipes/format-space.pipe.ts
lib/core/comments/comment-list.component.ts
...-view/validators/card-view-item-length.valiator.ts
... and 745 more

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