Update srgb transfer function as per w3c/csswg-drafts#9467

Author: danburzo

src/lrgb/convertRgbToLrgb.js

@@ -1,6 +1,6 @@
 const fn = c => {
 	const abs = Math.abs(c);
-	if (abs < 0.04045) {
+	if (abs <= 0.04045) {
 		return c / 12.92;
 	}
 	return (Math.sign(c) || 1) * Math.pow((abs + 0.055) / 1.055, 2.4);

test/lerp.test.js

@@ -1,5 +1,5 @@
 import tape from 'tape';
-import { lerp, unlerp, blerp, trilerp } from '../src/index.js';
+import { lerp, unlerp, trilerp } from '../src/index.js';
 
 tape('lerp()', t => {
 	t.equal(lerp(10, 2, 0.5), 6);