docs: fix incorrect description for autoPromotionSeconds. Fixes #2000

[KipsasJaujoj]

Signed-off-by: KipsasJaujoj vaidotas.slavinskas@vinted.com

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• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
• The title of the PR is (a) conventional with a list of types and scopes found here, (b) states what changed, and (c) suffixes the related issues number. E.g. "fix(controller): Updates such and such. Fixes #1234".
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Go Published Test Results

1 692 tests   1 691 ✔️  2m 13s ⏱️
   105 suites         0 💤
       1 files           1 ❌

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Results for commit 972c319.

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E2E Tests Published Test Results

    2 files      2 suites   1h 39m 22s ⏱️
  95 tests   86 ✔️ 3 💤 6 ❌
196 runs  184 ✔️ 6 💤 6 ❌

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Results for commit 972c319.