fix: ignore semver commits with chore type

Closes #198

Author: satazor

@commitlint/core/src/library/is-ignored.js

@@ -12,6 +12,7 @@ const WILDCARDS = [
 			c
 				.split('\n')
 				.shift()
+				.replace(/^chore(\([^)]+\))?:/, '')
 				.trim()
 		)
 ];

@commitlint/core/src/library/is-ignored.test.js

@@ -68,6 +68,13 @@ test('should ignore npm semver commits', t => {
 	VERSION_MESSAGES.forEach(message => t.true(isIgnored(message)));
 });
 
+test('should ignore npm semver commits with chore', t => {
+	VERSION_MESSAGES.forEach(message => t.true(isIgnored(`chore: ${message}`)));
+	VERSION_MESSAGES.forEach(message =>
+		t.true(isIgnored(`chore(release): ${message}`))
+	);
+});
+
 test('should ignore npm semver commits with footers', t => {
 	AMENDED_VERSION_MESSAGES.forEach(message => t.true(isIgnored(message)));
 });