docs: Add note that git urls are being normalized first

Author: onasser1

docs/docs/40-operator-guide/40-security/40-managing-credentials.md

@@ -76,6 +76,10 @@ contain the following keys:
     repositories, all beginning with `https://github.com/example-org`, and can
     use the same token for accessing all of them.
     :::
+  
+    :::note
+    Git URLs are normalized before being matched to regex patterns.
+    :::
 
 * Either:
 

docs/docs/50-user-guide/50-security/30-managing-credentials.md

@@ -82,6 +82,10 @@ contain the following keys:
     repositories, all beginning with `https://github.com/example-org`, and can
     use the same token for accessing all of them.
     :::
+  
+    :::note
+    Git URLs are normalized before being matched to regex patterns.
+    :::
 
 * Either: