deps(nuget): Bump Microsoft.IdentityModel.Tokens and System.IdentityModel.Tokens.Jwt #769

Job	Run time
Workflow Lint	1s
OpenAPI Guardrail / OpenAPI Guardrail	1s
Dependency Review	1s
Backend Solution Regression	0s
Dependency Security Signals	0s
Demo Director Smoke	0s
Load and Concurrency Harness	-1s
E2E Smoke	-1s
	1s

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