Bump typed-rest-client from 1.8.9 to 1.8.11 #456

Job	Run time
test (ubuntu-latest, master)	53s
test (ubuntu-latest, now)	47s
test (ubuntu-20.04, master)	1m 5s
test (ubuntu-20.04, now)	56s
test (macos-latest, master)	1m 27s
test (macos-latest, now)	1m 30s
test (macos-11, master)	1m 42s
test (macos-11, now)	1m 43s
test_default_version (ubuntu-latest, master)	55s
test_default_version (ubuntu-latest, now)	52s
test_default_version (ubuntu-20.04, master)	1m 3s
test_default_version (ubuntu-20.04, now)	43s
test_default_version (macos-latest, master)	1m 17s
test_default_version (macos-latest, now)	1m 21s
test_default_version (macos-11, master)	1m 45s
test_default_version (macos-11, now)	2m 8s
	20m 7s

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