Add subject and claims to AccessToken #2268

Job	Run time
checks / test (3.10, locked, windows-latest)	1m 56s
checks / test (3.10, locked, ubuntu-latest)	54s
checks / readme-snippets	11s
checks / pre-commit	33s
checks / test (3.11, locked, ubuntu-latest)	53s
checks / test (3.10, lowest-direct, ubuntu-latest)	50s
checks / test (3.11, lowest-direct, windows-latest)	3m 3s
checks / test (3.12, lowest-direct, windows-latest)	3m 26s
checks / test (3.11, locked, windows-latest)	2m 46s
checks / test (3.11, lowest-direct, ubuntu-latest)	54s
checks / test (3.10, lowest-direct, windows-latest)	2m 18s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 19s
checks / test (3.13, locked, windows-latest)	2m 12s
checks / test (3.14, locked, windows-latest)	3m 21s
checks / test (3.13, lowest-direct, ubuntu-latest)	52s
checks / test (3.12, locked, windows-latest)	3m 14s
checks / test (3.12, locked, ubuntu-latest)	53s
checks / test (3.14, locked, ubuntu-latest)	2m 25s
checks / test (3.13, lowest-direct, windows-latest)	3m 2s
checks / test (3.13, locked, ubuntu-latest)	48s
checks / test (3.14, lowest-direct, windows-latest)	2m 29s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 1s
all-green	4s
	39m 24s

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