devel/go-tools: update to 0.4.0

Selected upstream changes:

• cmd/compilebench: make it work without installed .a's
• internal/typesinternal: update go/types error codes for 1.20
• playground/socket: eliminate an arbitrary timeout in TestLimiter
• go/ssa: build generic function bodies
• cmd/godoc: streamline test subprocesses
• go.mod: update golang.org/x dependencies

PR: 268220