[Console] add deprecation log (#12707)
minor #12722 [Console] add deprecation log (#12707) (kbsali)

This PR was merged into the 2.7 branch.

Discussion
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[Console] add deprecation log (#12707)

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | yes
| Tests pass?   | yes
| Fixed tickets | #12707
| License       | MIT
| Doc PR        |

This adds depreciation note for the Symfony\Component\Console\Helper\TableHelper class.

Commits
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a1a4ece [Console] add deprecation log (#12707)