Update dependency FluentAssertions to 6.12.2 - autoclosed #4432

Job	Run time
C# (json, V2, macos-12)	3m 32s
C# (json, V2, windows-latest)	6m 12s
C# (json, V2, ubuntu-latest)	2m 32s
C# (json, V3, macos-12)	3m 12s
C# (json, V3, windows-latest)	6m 8s
JMeter (json, V2, macos-12)	1m 23s
C# (json, V3, ubuntu-latest)	2m 38s
JMeter (json, V2, windows-2022)	2m 13s
C# (yaml, V2, macos-12)	3m 24s
JMeter (json, V2, ubuntu-latest)	53s
C# (yaml, V2, windows-latest)	6m 27s
JMeter (json, V3, macos-12)	1m 40s
C# (yaml, V2, ubuntu-latest)	2m 34s
JMeter (json, V3, windows-2022)	4m 38s
C# (yaml, V3, macos-12)	3m 31s
JMeter (json, V3, ubuntu-latest)	54s
C# (yaml, V3, windows-latest)	4m 21s
JMeter (yaml, V2, macos-12)	1m 43s
JMeter (yaml, V2, windows-2022)	2m 25s
C# (yaml, V3, ubuntu-latest)	2m 35s
JMeter (yaml, V2, ubuntu-latest)	1m 2s
JMeter (yaml, V3, macos-12)	2m 11s
JMeter (yaml, V3, windows-2022)	3m 25s
TypeScript (json, V2, macos-12)	2m 22s
JMeter (yaml, V3, ubuntu-latest)	46s
TypeScript (json, V2, windows-2022)	3m 28s
TypeScript (json, V2, ubuntu-latest)	1m 17s
TypeScript (json, V3, macos-12)	1m 56s
TypeScript (json, V3, windows-2022)	4m 37s
TypeScript (json, V3, ubuntu-latest)	1m 22s
TypeScript (yaml, V2, macos-12)	2m 4s
TypeScript (yaml, V2, windows-2022)	5m 13s
TypeScript (yaml, V2, ubuntu-latest)	1m 26s
TypeScript (yaml, V3, macos-12)	1m 57s
TypeScript (yaml, V3, windows-2022)	3m 9s
TypeScript (yaml, V3, ubuntu-latest)	1m 24s
	1h 40m 34s

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