some typos in 0.45 release notes (backport #11100)

[mergify]

This is an automatic backport of pull request #11100 done by Mergify.

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[coveralls]

Pull Request Test Coverage Report for Build 6668051174

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 6 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.002%) to 86.887%

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Files with Coverage Reduction	New Missed Lines	%
crates/qasm2/src/expr.rs	1	93.76%
crates/qasm2/src/lex.rs	5	90.91%

Totals
Change from base Build 6662665717:	0.002%
Covered Lines:	73854
Relevant Lines:	85000

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💛 - Coveralls