Merged PR 816097: Fix failing unit tests in Ubuntu 24.04

Resolving the issues related to Ubuntu 24.04
![Screenshot (22).png](https://dev.azure.com/mseng/9ed2c125-1cd5-4a17-886b-9d267f3a5fab/_apis/git/repositories/50d331c7-ea65-45eb-833f-0303c6c2387e/pullRequests/816097/attachments/Screenshot%20%2822%29.png)

Related work items: #2227479

Public/Src/Sandbox/Linux/UnitTests/TestProcesses/TestProcess/main.cpp

@@ -76,16 +76,16 @@ int FileDescriptorAccessesFullyResolvesPath()
 }
 
 int ExecReportsCorrectExecutableAndArgumentsSuccess() {
-    char *const args[] = {"/bin/echo", "hello world", nullptr};
-    execv(args[0], args);
+    const char *const args[] = {"/bin/echo", "hello world", nullptr};
+    execv(args[0], const_cast<char* const*>(args));
 
     // execv should have succeeded and we should never hit this return statement
     return 1;
 }
 
 int ExecReportsCorrectExecutableAndArgumentsFailed() {
-    char *const args[] = {"/bin/echooooo", "hello world", nullptr};
-    execv(args[0], args);
+    const char *const args[] = {"/bin/echooooo", "hello world", nullptr};
+    execv(args[0], const_cast<char* const*>(args));
 
     // expecting execv to fail here
     return EXIT_SUCCESS;

Public/Src/Sandbox/Linux/UnitTests/TestProcesses/TestProcess/syscalltests.cpp

@@ -4,6 +4,7 @@
 #include <linux/sched.h>
 #include <sys/syscall.h>
 
+#include <cstdint>
 #include "syscalltests.hpp"
 
 // clone3 is available on linux kernel 5.3+