Set explicit version for .NET core SDK requirement #2692

Job	Run time
comment-notification	0s
Run test of provider shim	2m 5s
Run upstream provider-lint	33m 33s
License Check / License Check	1m 44s
prerequisites / prerequisites	26m 2s
build_provider / Build linux-amd64	17m 17s
build_provider / Build linux-arm64	16m 27s
build_provider / Build darwin-amd64	16m 5s
build_sdk / build_sdk (nodejs)	18m 32s
build_provider / Build darwin-arm64	15m 58s
build_sdk / build_sdk (python)	17m 50s
build_provider / Build windows-amd64	16m 48s
build_sdk / build_sdk (dotnet)	21m 11s
build_sdk / build_sdk (go)	24m 0s
build_sdk / build_sdk (java)	8m 26s
provider_test (nodejs)	28m 31s
provider_test (python)	16m 18s
test_oidc (nodejs)	14m 27s
test (nodejs, local)	54m 35s
provider_test (dotnet)	10m 38s
test (python, local)	22m 16s
provider_test (go)	12m 32s
test (dotnet, local)	20m 9s
provider_test (java)	20m 2s
test (go, local)	35m 11s
test (java, local)	17m 26s
sentinel	2s
	8h 8m 5s

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