fix: extra whitespace after update notifier

[lornajane]

What/Why/How?

We did a new release yesterday and I noticed that when I get the release banner, I also get slightly indented output from whichever command I was using.

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Check yourself

• Code is linted
• Tested with redoc/reference-docs/workflows (internal)
• All new/updated code is covered with tests

Security

• Security impact of change has been considered
• Code follows company security practices and guidelines

[changeset-bot]

⚠️ No Changeset found

Latest commit: 1acd358

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[github-actions]

Command	Mean [s]	Min [s]	Max [s]	Relative
redocly lint packages/core/src/benchmark/benches/rebilly.yaml	1.062 ± 0.032	1.031	1.121	1.00
redocly-next lint packages/core/src/benchmark/benches/rebilly.yaml	1.065 ± 0.016	1.044	1.101	1.00 ± 0.03

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	76.1%	4306/5658
🟡	Branches	65.82%	2240/3403
🟡	Functions	68.74%	695/1011
🟡	Lines	76.31%	4049/5306

Test suite run success

699 tests passing in 100 suites.

Report generated by 🧪jest coverage report action from 1acd358

[tatomyr]

Updated the MR. Here's the screenshot: