Bump the golang-x-dependencies group with 4 updates

[dependabot]

Bumps the golang-x-dependencies group with 4 updates: golang.org/x/crypto, golang.org/x/net, golang.org/x/sys and golang.org/x/term.

Updates golang.org/x/crypto from 0.18.0 to 0.21.0

Commits

• 7067223 go.mod: update golang.org/x dependencies
• 0d2316b ssh/test: work around for TestCiphers failures on macOS
• 0aab8d0 all: update go.mod x/net dependency
• 5bead59 ocsp: don't use iota for externally defined constants
• 1a86580 x/crypto/internal/poly1305: improve sum_ppc64le.s
• 1c981e6 ssh/test: don't use DSA keys in integrations tests, update test RSA key
• 62c9f17 x509roots/nss: manually exclude a confusingly constrained root
• 405cb3b go.mod: update golang.org/x dependencies
• 913d3ae x509roots/fallback: update bundle
• See full diff in compare view

Updates golang.org/x/net from 0.20.0 to 0.21.0

Commits

• 73d21fd go.mod: update golang.org/x dependencies
• 643fd16 html: fix SOLIDUS '/' handling in attribute parsing
• 73e4b50 dns/dnsmessage: allow name compression for SRV resource parsing
• b2208d0 internal/quic/qlog: fix typo
• 0d0b98c http2: avoid goroutine starvation in TestServer_Push_RejectAfterGoAway
• 07e05fd http2: remove suspicious uint32->v conversion in frame code
• 26b646e quic: avoid deadlock in Endpoint.Close
• See full diff in compare view

Updates golang.org/x/sys from 0.16.0 to 0.18.0

Commits

• 360f961 unix: add API for fsconfig system call
• 7ff74af unix: drop go version tags for unsupported versions
• 6b4eab5 unix: suppress ENOMEM errors from sysctl's implementing Uname(uname *Utsname)...
• 2f2cc5d unix: update IFLA and NETKIT constants with Linux kernel 6.7
• 914b96c windows: support ill-formed UTF-16 in UTF16PtrToString
• 511ec84 Revert "windows: support nil done parameter in ReadFile and WriteFile"
• 628365d windows: support nil done parameter in ReadFile and WriteFile
• bef1bd8 unix: move mksyscall regexp to package level variables
• 5710a32 unix/linux: update Linux kernel to 6.7
• b3ce6a3 windows: build env_windows_test.go only go Go 1.21 and above
• Additional commits viewable in compare view

Updates golang.org/x/term from 0.16.0 to 0.18.0

Commits

• c5eaf76 go.mod: update golang.org/x dependencies
• 353276a go.mod: update golang.org/x dependencies
• See full diff in compare view

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[dependabot]

Looks like these dependencies are updatable in another way, so this is no longer needed.