tree-wide: Sort includes

This was done by running a locally built clang-format with
https://github.com/llvm/llvm-project/pull/137617 and
https://github.com/llvm/llvm-project/pull/137840 applied on all .c
and .h files.

src/shared/install.c

@@ -22,8 +22,8 @@
 #include "fileio.h"
 #include "fs-util.h"
 #include "hashmap.h"
-#include "install-printf.h"
 #include "install.h"
+#include "install-printf.h"
 #include "locale-util.h"
 #include "log.h"
 #include "macro.h"