docs(angular): improve executor descriptions

[leosvelperez]

Current Behavior

Some executor schema descriptions don't describe the executors correctly.

Expected Behavior

Executor schema descriptions should describe the executors correctly.

Related Issue(s)

Fixes #

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✅ Successfully ran 11 targets

• nx affected --target=e2e --base=42fa5d871b3a812c53ffe06d2834d8dcce836692 --head=ed371937b63ade3bbd448c450f2de22b18af85a8 --exclude=e2e-storybook,e2e-storybook-angular,e2e-react-native,e2e-detox --parallel=1
• nx affected --target=test --base=42fa5d871b3a812c53ffe06d2834d8dcce836692 --head=ed371937b63ade3bbd448c450f2de22b18af85a8 --parallel=1
• nx affected --target=build --base=42fa5d871b3a812c53ffe06d2834d8dcce836692 --head=ed371937b63ade3bbd448c450f2de22b18af85a8 --parallel=3
• nx depcheck --no-dte
• nx affected --target=lint --base=42fa5d871b3a812c53ffe06d2834d8dcce836692 --head=ed371937b63ade3bbd448c450f2de22b18af85a8 --parallel=3
• nx lint --no-dte
• nx check-lock-files --no-dte
• nx check-commit --no-dte
• nx-cloud record -- nx format:check --base=42fa5d871b3a812c53ffe06d2834d8dcce836692 --head=ed371937b63ade3bbd448c450f2de22b18af85a8
• nx check-imports --no-dte
• nx documentation --no-dte

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