docs(*): update UPGRADE.md with timeouts

[lobkovilya]

Summary

Update UPGRADE.md file

Full changelog

• [Implement ...]
• [Fix ...]

Issues resolved

Fix #XXX

Documentation

• Link to the website documentation PR

Testing

• Unit tests
• E2E tests
• Manual testing on Universal
• Manual testing on Kubernetes

Backwards compatibility

• Update UPGRADE.md with any steps users will need to take when upgrading.
• Add backport-to-stable label if the code follows our backporting policy

[codecov-commenter]

Codecov Report

Merging #4450 (7068d49) into master (11e367b) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #4450      +/-   ##
==========================================
+ Coverage   55.56%   55.59%   +0.02%     
==========================================
  Files         941      941              
  Lines       57708    57708              
==========================================
+ Hits        32068    32084      +16     
+ Misses      23089    23081       -8     
+ Partials     2551     2543       -8     

Impacted Files	Coverage Δ
pkg/core/tokens/default_signing_key.go	66.66% <0.00%> (-5.56%)	⬇️
pkg/core/resources/manager/cache.go	85.71% <0.00%> (-2.60%)	⬇️
pkg/plugins/resources/postgres/store.go	76.37% <0.00%> (+1.68%)	⬆️
pkg/defaults/components.go	85.71% <0.00%> (+3.57%)	⬆️
pkg/core/runtime/component/component.go	93.54% <0.00%> (+9.67%)	⬆️
pkg/metrics/store/counter.go	85.45% <0.00%> (+10.90%)	⬆️
pkg/clusterid/creator.go	86.66% <0.00%> (+13.33%)	⬆️

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