feat(python): Add Hardcoded Credentials MaD support

Author: GeekMasher

python/ql/src/Security/CWE-798/HardcodedCredentials.ql

@@ -18,6 +18,7 @@ import semmle.python.dataflow.new.TaintTracking
 import semmle.python.filters.Tests
 private import semmle.python.dataflow.new.internal.DataFlowDispatch as DataFlowDispatch
 private import semmle.python.dataflow.new.internal.Builtins::Builtins as Builtins
+private import semmle.python.frameworks.data.ModelsAsData
 
 bindingset[char, fraction]
 predicate fewer_characters_than(StringLiteral str, string char, float fraction) {
@@ -80,6 +81,8 @@ class HardcodedValueSource extends DataFlow::Node {
 
 class CredentialSink extends DataFlow::Node {
   CredentialSink() {
+    this = ModelOutput::getASinkNode("credentials-hardcoded").asSink()
+    or
     exists(string name |
       name.regexpMatch(getACredentialRegex()) and
       not name.matches("%file")