Removed ^ in additional match to make it work

Author: aegilops

jwt/README.md

@@ -47,7 +47,7 @@ Add these additional matches to the [Secret Scanning Custom Pattern](https://doc
 - Not Match:
 
   ```regex
-  ^eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIs
+  eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIs
   ```
 
 </details>

jwt/patterns.yml

@@ -15,7 +15,7 @@ patterns:
       # don't match on JWT that are used in private GitHub issues - they now always start with:
       # {"iss":"github.com","aud":"raw.githubusercontent.com",
       additional_not_match:
-        - ^eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIs
+        - eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIs
     test:
       data: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJyb2xlIjoic2VydmljZV9yb2xlIiwiaWF0IjoxNjM2MzcxNDkzLCJleHAiOjE5NTE5NDc0OTN9.T365h6AcgnvibAWvN_rIiaFnOK5R1ZGqdEkPI45zsNs