chore: move "wait" to utils + re-use

[dnalborczyk]

This PR contains:

• bugfix
• feature
• refactor
• documentation
• other

Are tests included?

• yes (bugfixes and features will not be merged without tests)
• no

Breaking Changes?

• yes (breaking changes will not be merged unless absolutely necessary)
• no

List any relevant issue numbers:

Description

[codecov]

Codecov Report

Merging #4384 (cdd502c) into master (e38dc61) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #4384   +/-   ##
=======================================
  Coverage   98.72%   98.72%           
=======================================
  Files         204      204           
  Lines        7315     7315           
  Branches     2082     2082           
=======================================
  Hits         7222     7222           
  Misses         34       34           
  Partials       59       59           

Impacted Files	Coverage Δ
cli/cli.ts	71.42% <ø> (ø)
cli/run/batchWarnings.ts	99.19% <ø> (ø)
cli/run/build.ts	91.89% <ø> (ø)
cli/run/index.ts	100.00% <ø> (ø)
cli/run/loadConfigFromCommand.ts	100.00% <ø> (ø)
cli/run/stdin.ts	100.00% <ø> (ø)
cli/run/timings.ts	0.00% <ø> (ø)
src/ModuleLoader.ts	100.00% <ø> (ø)
src/ast/CallOptions.ts	100.00% <ø> (ø)
src/ast/ExecutionContext.ts	100.00% <ø> (ø)
... and 121 more

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