all: upgrade go directive to at least 1.24.0 [generated]

By now Go 1.25.0 has been released, and Go 1.23 is no longer supported
per the Go Release Policy (see https://go.dev/doc/devel/release#policy).

For golang/go#69095.

[git-generate]
(cd cmd/auth && go get go@1.24.0 && go mod tidy && go fix ./... && go mod edit -toolchain=none)
(cd . && go get go@1.24.0 && go mod tidy && go fix ./... && go mod edit -toolchain=none)
(cd gopls/doc/assets && go get go@1.24.0 && go mod tidy && go fix ./... && go mod edit -toolchain=none)
(cd gopls && echo 'skipping because it already has go1.24.2 >= go1.24.0, nothing to do')

Change-Id: I46ac5ad9fe98dca0ef9fb6e9846f150435066e96
Reviewed-on: https://go-review.googlesource.com/c/tools/+/695756
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Gopher Robot <gobot@golang.org>

Author: gopherbot

cmd/auth/go.mod

@@ -1,3 +1,3 @@
 module golang.org/x/tools/cmd/auth
 
-go 1.23.0
+go 1.24.0

go.mod

@@ -1,6 +1,6 @@
 module golang.org/x/tools
 
-go 1.23.0
+go 1.24.0
 
 require (
 	github.com/google/go-cmp v0.6.0

gopls/doc/assets/go.mod

@@ -4,4 +4,4 @@
 
 module golang.org/x/tools/gopls/doc/assets
 
-go 1.23.0
+go 1.24.0