Python: Fix compile error due to predicate rename

Author: yoff

python/ql/lib/semmle/python/security/dataflow/PolynomialReDoSCustomizations.qll

@@ -61,7 +61,7 @@ module PolynomialReDoS {
 
     RegexExecutionAsSink() {
       exists(RegexExecution re |
-        re.getRegexNode().asExpr() = t.getRegex() and
+        re.getRegex().asExpr() = t.getRegex() and
         this = re.getString()
       ) and
       t.isRootTerm()

python/ql/lib/semmle/python/security/injection/RegexInjectionCustomizations.qll

@@ -28,7 +28,7 @@ module RegexInjection {
   class Sink extends DataFlow::Node {
     RegexExecution regexExecution;
 
-    Sink() { this = regexExecution.getRegexNode() }
+    Sink() { this = regexExecution.getRegex() }
 
     /** Gets the call that executes the regular expression marked by this sink. */
     RegexExecution getRegexExecution() { result = regexExecution }