Fix: Adjust ESLint calls to properly interpret globs (#8462)

* fix(backend): rename .eslintrc.js to .eslintrc.cjs

* fix(backend): wrap lint path glob in quotation marks

* fix(client): wrap lint path glob in quotation marks

* chore(workflow): make lint workflow use Node 16

packages/backend/.eslintrc.cjs

@@ -0,0 +1,9 @@
+module.exports = {
+	parserOptions: {
+		tsconfigRootDir: __dirname,
+		project: ['./tsconfig.json'],
+	},
+	extends: [
+		'../shared/.eslintrc.js',
+	],
+};