[node] Add debugPort to the Process interface

https://nodejs.org/api/process.html#process_process_debugport

types/node/index.d.ts

@@ -713,6 +713,7 @@ declare namespace NodeJS {
         abort(): void;
         chdir(directory: string): void;
         cwd(): string;
+        debugPort: number;
         emitWarning(warning: string | Error, name?: string, ctor?: Function): void;
         env: ProcessEnv;
         exit(code?: number): never;

types/node/v0/index.d.ts

@@ -242,6 +242,7 @@ declare namespace NodeJS {
         abort(): void;
         chdir(directory: string): void;
         cwd(): string;
+        debugPort: number;
         env: any;
         exit(code?: number): void;
         getgid(): number;

types/node/v4/index.d.ts

@@ -417,6 +417,7 @@ declare namespace NodeJS {
         abort(): void;
         chdir(directory: string): void;
         cwd(): string;
+        debugPort: number;
         env: any;
         exit(code?: number): void;
         exitCode: number;

types/node/v6/index.d.ts

@@ -480,6 +480,7 @@ declare namespace NodeJS {
         abort(): void;
         chdir(directory: string): void;
         cwd(): string;
+        debugPort: number;
         emitWarning(warning: string | Error, name?: string, ctor?: Function): void;
         env: any;
         exit(code?: number): void;

types/node/v7/index.d.ts

@@ -477,6 +477,7 @@ declare namespace NodeJS {
         abort(): void;
         chdir(directory: string): void;
         cwd(): string;
+        debugPort: number;
         emitWarning(warning: string | Error, name?: string, ctor?: Function): void;
         env: any;
         exit(code?: number): never;

types/node/v8/index.d.ts

@@ -561,6 +561,7 @@ declare namespace NodeJS {
         abort(): void;
         chdir(directory: string): void;
         cwd(): string;
+        debugPort: number;
         emitWarning(warning: string | Error, name?: string, ctor?: Function): void;
         env: ProcessEnv;
         exit(code?: number): never;

types/node/v9/index.d.ts

@@ -704,6 +704,7 @@ declare namespace NodeJS {
         abort(): void;
         chdir(directory: string): void;
         cwd(): string;
+        debugPort: number;
         emitWarning(warning: string | Error, name?: string, ctor?: Function): void;
         env: ProcessEnv;
         exit(code?: number): never;