Bump Fake.IO.FileSystem, Fake.IO.Zip & Fake.Tools.Git to 6.1.1 (#810) #491

Job	Run time
YAML Tests (Unreleased OpenSearch) (1.x, 11)	3m 17s
YAML Tests (Released OpenSearch) (2.16.0)	3m 52s
YAML Tests (Unreleased OpenSearch) (2.x, 17)	10m 5s
YAML Tests (Released OpenSearch) (2.14.0)	3m 48s
YAML Tests (Unreleased OpenSearch) (main, 21)	9m 46s
YAML Tests (Released OpenSearch) (2.12.0)	3m 39s
YAML Tests (Released OpenSearch) (2.10.0)	3m 15s
YAML Tests (Released OpenSearch) (2.8.0)	2m 51s
YAML Tests (Released OpenSearch) (2.6.0)	3m 1s
YAML Tests (Released OpenSearch) (2.4.1)	3m 12s
YAML Tests (Released OpenSearch) (2.2.1)	2m 42s
YAML Tests (Released OpenSearch) (2.0.1)	3m 4s
YAML Tests (Released OpenSearch) (1.3.14)	3m 26s
YAML Tests (Released OpenSearch) (1.2.4)	3m 14s
YAML Tests (Released OpenSearch) (1.1.0)	2m 34s
	1h 1m 46s

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