#166 Adjust outdated make command pattern

as with #147 a new unset command part is introduced.

Also add a regression e2e test that would have caught this issue.

deploy/aws/java11Exec/src/main/java/poseidon/SimpleMakefile.java

@@ -22,7 +22,7 @@ class InvalidMakefileException extends Exception {}
 class SimpleMakefile {
 
     // This pattern validates if a command is a make command.
-    private static final Pattern isMakeCommand = Pattern.compile("^make(?:\\s+(?<startRule>\\w*))?(?<assignments>(?:.*?=.*?)+)?$");
+    private static final Pattern isMakeCommand = Pattern.compile("^(?:.* && )?make(?:\\s+(?<startRule>\\w*))?(?<assignments>(?:.*?=.*?)+)?(?: && .*)?$");
 
     // This pattern identifies the rules in a makefile.
     private static final Pattern makeRules = Pattern.compile("(?<name>.*):\\r?\\n(?<commands>(?:\\t.+\\r?\\n?)*)");