Update language docs URLs in code and tests

backend/remote-state/s3/backend.go

@@ -327,7 +327,7 @@ func (b *Backend) configure(ctx context.Context) error {
 		AssumeRoleExternalID:      data.Get("external_id").(string),
 		AssumeRolePolicy:          data.Get("assume_role_policy").(string),
 		AssumeRoleSessionName:     data.Get("session_name").(string),
-		CallerDocumentationURL:    "https://www.terraform.io/docs/backends/types/s3.html",
+		CallerDocumentationURL:    "https://www.terraform.io/docs/language/settings/backends/s3.html",
 		CallerName:                "S3 Backend",
 		CredsFilename:             data.Get("shared_credentials_file").(string),
 		DebugLogging:              logging.IsDebugOrHigher(),

command/testdata/013upgrade-implicit-not-found/expected/versions.tf

@@ -10,7 +10,7 @@ terraform {
       #
       # For more information, see the provider source documentation:
       #
-      # https://www.terraform.io/docs/configuration/providers.html#provider-source
+      # https://www.terraform.io/docs/language/providers/requirements.html
     }
   }
   required_version = ">= 0.13"

command/testdata/013upgrade-provider-not-found/expected/main.tf

@@ -16,7 +16,7 @@ terraform {
       #
       # For more information, see the provider source documentation:
       #
-      # https://www.terraform.io/docs/configuration/providers.html#provider-source
+      # https://www.terraform.io/docs/language/providers/requirements.html
       version = "~> 2.0.0"
     }
     foo = {