Use .match in isAuthToken and add repeated call to test

Author: mbg

src/artifact-scanner.test.ts

@@ -31,6 +31,7 @@ test("isAuthToken", (t) => {
 
   // Token types for strings that are tokens.
   t.is(isAuthToken(`ghp_${makeTestToken()}`), TokenType.PersonalAccessClassic);
+  t.is(isAuthToken(`ghp_${makeTestToken()}`), TokenType.PersonalAccessClassic);
   t.is(
     isAuthToken(`ghs_${makeTestToken(255)}`),
     TokenType.AppInstallationAccess,

src/artifact-scanner.ts

@@ -88,7 +88,7 @@ export function isAuthToken(
   patterns: TokenPattern[] = GITHUB_TOKEN_PATTERNS,
 ) {
   for (const { type, pattern } of patterns) {
-    if (pattern.test(value)) {
+    if (value.match(pattern)) {
       return type;
     }
   }