chore(deps-dev): Update flake8 requirement from 7.2.0 to 7.3.0 #1833

Job	Run time
Linting & Coding Standards	38s
find Upgradable CodingFeatures	47s
find Security Issues	38s
StaticCodingAnalysis (py3.13 -current)	43s
StaticCodingAnalysis (py3.9 -lowest)	47s
install & run "cyclonedx-py --help" (windows-latest)	56s
install & run "cyclonedx-py --help" (ubuntu-latest)	13s
install & run "python -m cyclonedx_py --help" (ubuntu-latest)	11s
install & run "cyclonedx-py --help" (macos-latest)	28s
install & run "python -m cyclonedx_py --help" (macos-latest)	34s
install & run "python -m cyclonedx_py --help" (windows-latest)	35s
Test (ubuntu-latest py3.13)	2m 54s
Test (ubuntu-latest py3.11)	2m 28s
Test (ubuntu-latest py3.10)	2m 42s
Test (ubuntu-latest py3.12)	2m 37s
Test (macos-latest py3.12)	2m 0s
Test (macos-latest py3.13)	2m 18s
Test (macos-latest py3.11)	2m 13s
Test (windows-latest py3.13)	5m 28s
Test (ubuntu-latest py3.9)	2m 37s
Test (windows-latest py3.11)	4m 29s
Test (windows-latest py3.9)	4m 41s
Test (windows-latest py3.10)	4m 24s
Test (windows-latest py3.12)	4m 51s
Test (macos-13 py3.9)	5m 5s
Test (macos-13 py3.10)	3m 43s
Publish test coverage	5s
	59m 5s

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