Update module github.com/grpc-ecosystem/go-grpc-middleware to v2

go.mod

go.sum

vendor/github.com/cespare/xxhash/v2/.travis.yml

vendor/github.com/cespare/xxhash/v2/README.md

vendor/github.com/cespare/xxhash/v2/testall.sh

vendor/github.com/cespare/xxhash/v2/xxhash.go

vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s

vendor/github.com/cespare/xxhash/v2/xxhash_arm64.s

vendor/github.com/cespare/xxhash/v2/xxhash_asm.go

vendor/github.com/cespare/xxhash/v2/xxhash_other.go

vendor/github.com/cespare/xxhash/v2/xxhash_safe.go

vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go

vendor/golang.org/x/net/context/go17.go

vendor/golang.org/x/net/http2/flow.go

vendor/golang.org/x/net/http2/frame.go

vendor/golang.org/x/net/http2/headermap.go

vendor/golang.org/x/net/http2/hpack/encode.go

vendor/golang.org/x/net/http2/hpack/hpack.go

vendor/golang.org/x/net/http2/hpack/static_table.go

vendor/golang.org/x/net/http2/hpack/tables.go