all: update blog link

Change-Id: I8631fbc552b85f35b494a8d5a2c0baf68ee66982
Reviewed-on: https://go-review.googlesource.com/c/go/+/690215
Reviewed-by: qiu laidongfeng <2645477756@qq.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Mark Freeman <markfreeman@google.com>

src/cmd/pprof/doc.go

@@ -12,5 +12,5 @@
 //
 //	go tool pprof -h
 //
-// For an example, see https://blog.golang.org/profiling-go-programs.
+// For an example, see https://go.dev/blog/pprof.
 package main

src/context/context.go

@@ -103,7 +103,7 @@ type Context interface {
 	//  	}
 	//  }
 	//
-	// See https://blog.golang.org/pipelines for more examples of how to use
+	// See https://go.dev/blog/pipelines for more examples of how to use
 	// a Done channel for cancellation.
 	Done() <-chan struct{}
 

src/encoding/gob/doc.go

@@ -274,7 +274,7 @@ released version, subject to issues such as security fixes. See the Go compatibi
 document for background: https://golang.org/doc/go1compat
 
 See "Gobs of data" for a design discussion of the gob wire format:
-https://blog.golang.org/gobs-of-data
+https://go.dev/blog/gob
 
 # Security
 

src/net/http/httptrace/trace.go

@@ -76,7 +76,7 @@ func WithClientTrace(ctx context.Context, trace *ClientTrace) context.Context {
 // during a single round trip and has no hooks that span a series
 // of redirected requests.
 //
-// See https://blog.golang.org/http-tracing for more.
+// See https://go.dev/blog/http-tracing for more.
 type ClientTrace struct {
 	// GetConn is called before a connection is created or
 	// retrieved from an idle pool. The hostPort is the

src/net/http/pprof/pprof.go

@@ -67,7 +67,7 @@
 // in your browser.
 //
 // For a study of the facility in action, visit
-// https://blog.golang.org/2011/06/profiling-go-programs.html.
+// https://go.dev/blog/pprof.
 package pprof
 
 import (