apacheGH-39517: [C++] Disable parallelism for jemalloc external proje…

…ct (apache#39522)

### Rationale for this change

With CMake > 3.28 the generated Makefile fails on the jemalloc_ep due to 'bad file descriptor'.

### What changes are included in this PR?

For a sequential build for jemalloc by setting -j1.

### Are these changes tested?

CI

### Are there any user-facing changes?

No.
* Closes: apache#39517

Authored-by: Jacob Wujciak-Jens <jacob@wujciak.de>
Signed-off-by: Jacob Wujciak-Jens <jacob@wujciak.de>

cpp/cmake_modules/ThirdpartyToolchain.cmake

@@ -2040,10 +2040,17 @@ macro(build_jemalloc)
     # Enable jemalloc debug checks when Arrow itself has debugging enabled
     list(APPEND JEMALLOC_CONFIGURE_COMMAND "--enable-debug")
   endif()
+
   set(JEMALLOC_BUILD_COMMAND ${MAKE} ${MAKE_BUILD_ARGS})
+  # Paralleism for Make fails with CMake > 3.28 see #39517
+  if(${CMAKE_GENERATOR} MATCHES "Makefiles")
+    list(APPEND JEMALLOC_BUILD_COMMAND "-j1")
+  endif()
+
   if(CMAKE_OSX_SYSROOT)
     list(APPEND JEMALLOC_BUILD_COMMAND "SDKROOT=${CMAKE_OSX_SYSROOT}")
   endif()
+
   externalproject_add(jemalloc_ep
                       ${EP_COMMON_OPTIONS}
                       URL ${JEMALLOC_SOURCE_URL}