Add support for Map.forEach

Signed-off-by: Jonathan Leitschuh <Jonathan.Leitschuh@gmail.com>

Author: JLLeitschuh

java/ql/lib/semmle/code/java/dataflow/internal/ContainerFlow.qll

@@ -135,6 +135,8 @@ private class ContainerFlowSummaries extends SummaryModelCsv {
         "java.util;Map;true;merge;(Object,Object,BiFunction);;Argument[1];MapValue of Argument[-1];value",
         "java.util;Map;true;putAll;(Map);;MapKey of Argument[0];MapKey of Argument[-1];value",
         "java.util;Map;true;putAll;(Map);;MapValue of Argument[0];MapValue of Argument[-1];value",
+        "java.util;Map;true;forEach;(BiConsumer);;MapKey of Argument[-1];Parameter[0] of Argument[0];value",
+        "java.util;Map;true;forEach;(BiConsumer);;MapValue of Argument[-1];Parameter[1] of Argument[0];value",
         "java.util;Collection;true;parallelStream;();;Element of Argument[-1];Element of ReturnValue;value",
         "java.util;Collection;true;stream;();;Element of Argument[-1];Element of ReturnValue;value",
         "java.util;Collection;true;toArray;;;Element of Argument[-1];ArrayElement of ReturnValue;value",

java/ql/test/library-tests/frameworks/ratpack/resources/IntegrationTest.java

@@ -74,7 +74,7 @@ void test4(Context ctx) {
                 filterAndMerge(pojoForm, mergedParams, name -> false);
                 return mergedParams;
             }).then(pojoMap -> {
-                sink(pojoMap); //$hasTaintFlow
+                sinlk(pojoMap); //$hasTaintFlow
                 sink(pojoMap.get("value")); //$hasTaintFlow
             });
     }