Bump github.com/hashicorp/vault/api/auth/kubernetes from 0.5.0 to 0.8.0 #1895

Job	Run time
Determine Go toolchain version	4s
get-product-version	6s
generate-metadata-file	23s
Go 1.22.6 freebsd 386 build	25s
Go 1.22.6 freebsd amd64 build	27s
Go 1.22.6 linux arm build	40s
Go 1.22.6 linux arm64 build	36s
Go 1.22.6 freebsd arm build	28s
Go 1.22.6 linux 386 build	29s
Go 1.22.6 windows 386 build	25s
Go 1.22.6 linux amd64 build	31s
Go 1.22.6 windows amd64 build	21s
Go 1.22.6 darwin amd64 build	27s
Go 1.22.6 netbsd 386 build	20s
Go 1.22.6 darwin arm64 build	21s
Go 1.22.6 netbsd amd64 build	22s
Go 1.22.6 netbsd arm build	24s
Go 1.22.6 openbsd 386 build	25s
Go 1.22.6 openbsd amd64 build	32s
Go 1.22.6 openbsd arm build	21s
Go 1.22.6 solaris amd64 build	25s
Docker arm default release build	16s
Docker arm64 default release build	24s
Docker 386 default release build	15s
Docker amd64 default release build	17s
	9m 44s

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