feat(core): allow multiple targets in show projects commmand

[yharaskrik]

Current Behavior

When using the new nx show projects --affected command the --t flag only accepts a single target.

Expected Behavior

We should be able to pass multiple targets to the command to see all projects affected by one or more of those targets (like you can with the other Nx commands like run-many)

Related Issue(s)

Fixes #

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Name	Status	Preview	Comments	Updated (UTC)
nx-dev	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 5, 2023 3:16pm

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✅ Successfully ran 7 targets

• linux nx affected --target=e2e --base=bb76d01942fbf33468b19b7be3262dd8523e6390 --head=149627c87236d4471e87e8ac3a4e209ec9513008 --parallel=1
• linux nx affected --target=test --base=bb76d01942fbf33468b19b7be3262dd8523e6390 --head=149627c87236d4471e87e8ac3a4e209ec9513008 --parallel=1
• linux nx affected --target=build --base=bb76d01942fbf33468b19b7be3262dd8523e6390 --head=149627c87236d4471e87e8ac3a4e209ec9513008 --parallel=3
• linux nx run-many -t check-imports check-commit check-lock-files check-codeowners documentation --parallel=1 --no-dte
• linux nx affected --target=lint --base=bb76d01942fbf33468b19b7be3262dd8523e6390 --head=149627c87236d4471e87e8ac3a4e209ec9513008 --parallel=3
• nx-cloud record -- nx format:check --base=bb76d01942fbf33468b19b7be3262dd8523e6390 --head=149627c87236d4471e87e8ac3a4e209ec9513008
• linux nx documentation --no-dte

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[github-actions]

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