Use cinttypes instead of inttypes.h

Found by clang-tidy.

Change-Id: Id2eec8c5dba254ca7d753eca152d1542a9009537
diff --git a/src/utils/journal.cpp b/src/utils/journal.cpp
index 9ea9a1f..6f46599 100644
--- a/src/utils/journal.cpp
+++ b/src/utils/journal.cpp
@@ -5,9 +5,9 @@
  *
 */
 
+#include <cinttypes>
 #include <cstdio>
 #include <cstdlib>
-#include <inttypes.h>
 #include <spdlog/sinks/systemd_sink.h>
 #include <sys/stat.h>
 #include <sys/types.h>