OAuth Update: Adding the Client Credentials & Token Exchange Grant Types #2797

Job	Run time
checks / pre-commit	36s
checks / readme-snippets	12s
checks / test (3.10, lowest-direct, ubuntu-latest)	37s
checks / test (3.10, highest, ubuntu-latest)	35s
checks / test (3.10, highest, windows-latest)	1m 29s
checks / test (3.10, lowest-direct, windows-latest)	1m 30s
checks / test (3.11, lowest-direct, ubuntu-latest)	36s
checks / test (3.13, highest, windows-latest)	1m 23s
checks / test (3.13, highest, ubuntu-latest)	35s
checks / test (3.11, lowest-direct, windows-latest)	1m 23s
checks / test (3.13, lowest-direct, windows-latest)	1m 17s
checks / test (3.11, highest, windows-latest)	1m 28s
checks / test (3.11, highest, ubuntu-latest)	34s
checks / test (3.13, lowest-direct, ubuntu-latest)	34s
checks / test (3.12, lowest-direct, ubuntu-latest)	34s
checks / test (3.12, lowest-direct, windows-latest)	1m 44s
checks / test (3.12, highest, windows-latest)	1m 20s
checks / test (3.12, highest, ubuntu-latest)	35s
	17m 2s

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