index.js

const core = require('@actions/core');
const github = require('@actions/github');
const axios = require('axios');

try {
	const statuses = {
		"started": "❕", 
		"failure": "❗",
		"success": "✅", 
		"cancelled": "❕"
	};
	
	const status = core.getInput('status');
	if(!statuses[status]) throw Error("Status not found!");

	const botId = core.getInput("token");
	if(!botId) throw Error("Token not found!");

	const chatId = core.getInput("to");
	if(!chatId) throw Error("Chat Id not found");

	const branch = core.getInput("branch");
	if(!branch) throw Error("Branch not found");

    let apiUrl = "https://api.telegram.org/bot{botId}/sendMessage".replace("{botId}", botId);
	const { owner, repo } = github.context.repo;
	const runId = github.context.payload.workflow_run.id;
	const link = `https://github.com/${owner}/${repo}/actions/runs/${runId}`;

	axios.post(apiUrl, {
		"chat_id": chatId,
		"text": `${statuses[status]} Build ${status}, branch: ${branch} [Details](${link})` ,
		"parse_mode": "MarkdownV2"
	}).then(r => console.log(r));
} catch (error) {
  	core.setFailed(error.message);
}