Fix typo in QuantumCircuit.initialize

[valleyofblackpanther]

Summary

Typo in the main branch is fixed.

Details and comments

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[Cryoris]

Thanks for the quick fix!

[coveralls]

Pull Request Test Coverage Report for Build 7633800293

Warning: This coverage report may be inaccurate.

We've detected an issue with your CI configuration that might affect the accuracy of this pull request's coverage report.
To ensure accuracy in future PRs, please see these guidelines.
A quick fix for this PR: rebase it; your next report should be accurate.

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.03%) to 89.508%

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Totals
Change from base Build 7632033511:	-0.03%
Covered Lines:	59598
Relevant Lines:	66584

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💛 - Coveralls