Use same quote style within verify-readme.js

Switch to single quotes which is used more widely in obt.

lib/tasks/verify-readme.js

@@ -1,29 +1,29 @@
-"use strict";
+'use strict';
 
-const process = require("process");
+const process = require('process');
 const {
 	promises: {readFile},
-} = require("fs");
-const path = require("path");
-const isCI = require("is-ci");
-const vfile = require("vfile");
+} = require('fs');
+const path = require('path');
+const isCI = require('is-ci');
+const vfile = require('vfile');
 const fs = require('fs-extra');
-const remark = require("remark");
-const remarkLint = require("remark-lint");
-const origamiPreset = require("remark-preset-lint-origami-component");
-const report = require("vfile-reporter");
+const remark = require('remark');
+const remarkLint = require('remark-lint');
+const origamiPreset = require('remark-preset-lint-origami-component');
+const report = require('vfile-reporter');
 const log = require('../helpers/log');
 
 async function origamiJson(config) {
 	// Error if there is no readme to verify.
-	const readmePath = path.join(config.cwd, "/README.md");
+	const readmePath = path.join(config.cwd, '/README.md');
 	const hasReadme = await fs.exists(readmePath);
 	if (!hasReadme) {
 		throw new Error('Components require a README.md with documentation.');
 	}
 
 	const contents = await readFile(readmePath, {
-		encoding: "utf-8",
+		encoding: 'utf-8',
 	});
 
 	const readme = vfile({
@@ -50,22 +50,22 @@ async function origamiJson(config) {
 	if (result.messages.length) {
 		if (isCI) {
 			result.messages.forEach(issue => {
-				const newLine = "%0A";
+				const newLine = '%0A';
 				const message = issue.message.replace(/\n/g, newLine);
 				const line = issue.line;
 				const column = issue.column;
 				const code = issue.ruleId;
-				const severity = issue.severity === 2 ? "error" : "warning";
+				const severity = issue.severity === 2 ? 'error' : 'warning';
 				console.log(
 					`::${severity} file=README.md,line=${line},col=${column},code=${code},severity=${severity}::${message}`
 				);
 			});
 		} else {
 			log.secondary(
-				"README.md errors: \n\n" +
+				'README.md errors: \n\n' +
 					report(result, {
 						color: false,
-					}).replace(new RegExp(config.cwd, "gi"), ".")
+					}).replace(new RegExp(config.cwd, 'gi'), '.')
 			);
 		}
 	}
@@ -76,7 +76,7 @@ module.exports = cfg => {
 	config.cwd = config.cwd || process.cwd();
 
 	return {
-		title: "Verifying your component's README.md",
+		title: 'Verifying your component\'s README.md',
 		task: () => origamiJson(config),
 	};
 };