Add subject and claims to AccessToken #2271

Job	Run time
checks / pre-commit	32s
checks / readme-snippets	14s
checks / test (3.10, lowest-direct, windows-latest)	3m 0s
checks / test (3.10, locked, ubuntu-latest)	1m 1s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 3s
checks / test (3.10, lowest-direct, ubuntu-latest)	59s
checks / test (3.10, locked, windows-latest)	2m 30s
checks / test (3.11, lowest-direct, windows-latest)	2m 54s
checks / test (3.12, locked, ubuntu-latest)	57s
checks / test (3.11, locked, ubuntu-latest)	53s
checks / test (3.11, lowest-direct, ubuntu-latest)	59s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 19s
checks / test (3.12, locked, windows-latest)	3m 28s
checks / test (3.13, lowest-direct, windows-latest)	2m 29s
checks / test (3.13, locked, windows-latest)	2m 41s
checks / test (3.13, locked, ubuntu-latest)	51s
checks / test (3.12, lowest-direct, windows-latest)	3m 37s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 1s
checks / test (3.14, locked, ubuntu-latest)	2m 25s
checks / test (3.14, lowest-direct, windows-latest)	2m 43s
checks / test (3.14, locked, windows-latest)	2m 35s
checks / test (3.11, locked, windows-latest)	2m 33s
all-green	4s
	40m 48s

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