fix: `VulnerabilityScoreSource.get_from_vector()` for `CVSS_V3_1` and `CVSS_V4` #1439

Job	Run time
Linting & CodingStandards	31s
find Upgradable CodingFeatures	30s
find Security Issues	31s
Examples E:<none>	23s
Examples E:json-validation	23s
Test (ubuntu-latest py3.13 -allExtras)	49s
StaticCodingAnalysis (py3.13 -current)	38s
Examples E:xml-validation	27s
Test (ubuntu-latest py3.13 -noExtras)	49s
StaticCodingAnalysis (py3.9 -lowest)	34s
Test (ubuntu-latest py3.12 -allExtras)	44s
Test (ubuntu-latest py3.12 -noExtras)	46s
Test (ubuntu-latest py3.11 -allExtras)	49s
Test (ubuntu-latest py3.11 -noExtras)	40s
Test (ubuntu-latest py3.10 -allExtras)	50s
Test (ubuntu-latest py3.10 -noExtras)	55s
Test (ubuntu-latest py3.9 -allExtras)	51s
Test (ubuntu-latest py3.9 -noExtras)	50s
Test (macos-latest py3.13 -allExtras)	1m 11s
Test (macos-latest py3.13 -noExtras)	49s
Test (macos-latest py3.12 -allExtras)	48s
Test (macos-latest py3.12 -noExtras)	50s
Test (macos-latest py3.11 -allExtras)	50s
Test (macos-latest py3.11 -noExtras)	48s
Test (windows-latest py3.13 -allExtras)	1m 6s
Test (windows-latest py3.13 -noExtras)	1m 6s
Test (windows-latest py3.12 -allExtras)	58s
Test (windows-latest py3.12 -noExtras)	46s
Test (windows-latest py3.11 -allExtras)	1m 6s
Test (windows-latest py3.11 -noExtras)	52s
Test (windows-latest py3.10 -allExtras)	1m 9s
Test (windows-latest py3.10 -noExtras)	1m 4s
Test (windows-latest py3.9 -allExtras)	59s
Test (windows-latest py3.9 -noExtras)	1m 6s
Test (macos-13 py3.10 -allExtras)	1m 10s
Test (macos-13 py3.10 -noExtras)	1m 0s
Test (macos-13 py3.9 -allExtras)	1m 12s
Test (macos-13 py3.9 -noExtras)	1m 9s
Publish test coverage	1s
	32m 0s

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