chore(deps): update dependency @octokit/tsconfig to v4 (#735)

Author: renovate[bot]

package-lock.json

@@ -16,7 +16,7 @@
     "update-endpoints": "npm-run-all update-endpoints:*",
     "update-endpoints:fetch-json": "node scripts/update-endpoints/fetch-json.js",
     "update-endpoints:code": "node scripts/update-endpoints/code.js",
-    "validate:ts": "tsc --noEmit --noImplicitAny --target es2022 --esModuleInterop --moduleResolution node16 --module node16 test/typescript-validate.ts"
+    "validate:ts": "tsc --noEmit --noImplicitAny --target es2022 --strict --esModuleInterop --moduleResolution node16 --module node16 --exactOptionalPropertyTypes test/typescript-validate.ts"
   },
   "repository": "github:octokit/plugin-throttling.js",
   "author": "Simon Grondin (http://github.com/SGrondin)",
@@ -31,7 +31,7 @@
   "devDependencies": {
     "@octokit/core": "^6.0.0",
     "@octokit/request-error": "^6.0.1",
-    "@octokit/tsconfig": "^3.0.0",
+    "@octokit/tsconfig": "^4.0.0",
     "@types/node": "^20.0.0",
     "@vitest/coverage-v8": "^2.0.2",
     "esbuild": "^0.24.0",

package.json

@@ -2,7 +2,12 @@
 import BottleneckLight from "bottleneck/light.js";
 import type TBottleneck from "bottleneck";
 import type { Octokit, OctokitOptions } from "@octokit/core";
-import type { Groups, State, ThrottlingOptions } from "./types.js";
+import type {
+  CreateGroupsCommon,
+  Groups,
+  State,
+  ThrottlingOptions,
+} from "./types.js";
 import { VERSION } from "./version.js";
 
 import { wrapRequest } from "./wrap-request.js";
@@ -18,13 +23,7 @@ const groups: Groups = {};
 
 const createGroups = function (
   Bottleneck: typeof TBottleneck,
-  common: {
-    connection:
-      | TBottleneck.RedisConnection
-      | TBottleneck.IORedisConnection
-      | undefined;
-    timeout: number;
-  },
+  common: CreateGroupsCommon,
 ) {
   groups.global = new Bottleneck.Group({
     id: "octokit-global",
@@ -62,7 +61,10 @@ export function throttling(octokit: Octokit, octokitOptions: OctokitOptions) {
   if (!enabled) {
     return {};
   }
-  const common = { connection, timeout };
+  const common: CreateGroupsCommon = { timeout };
+  if (typeof connection !== "undefined") {
+    common.connection = connection;
+  }
 
   if (groups.global == null) {
     createGroups(Bottleneck, common);

src/index.ts

@@ -53,3 +53,8 @@ export type State = {
   id: string;
 } & Required<Groups> &
   ThrottlingOptions;
+
+export type CreateGroupsCommon = {
+  connection?: Bottleneck.RedisConnection | Bottleneck.IORedisConnection;
+  timeout: number;
+};