Use %zu to print size_t

`estimated_size_` and `kMaximumOutputSize` are in `size_t` (`unsigned long long`) for 64-bit processor, but `%lu` only accept `unsigned long`. `%zu` will handle `size_t` for 32-bit and 64-bit processors correctly.

Closes #5473.

PiperOrigin-RevId: 202291659

third_party/ijar/zip.cc

diff --git a/third_party/ijar/zip.cc b/third_party/ijar/zip.cc
index 93136e5..3bc66b5 100644
--- a/third_party/ijar/zip.cc
+++ b/third_party/ijar/zip.cc
@@ -1078,8 +1078,8 @@
 bool OutputZipFile::Open() {
   if (estimated_size_ > kMaximumOutputSize) {
     fprintf(stderr,
-            "Uncompressed input jar has size %lu, "
-            "which exceeds the maximum supported output size %lu.\n"
+            "Uncompressed input jar has size %zu, "
+            "which exceeds the maximum supported output size %zu.\n"
             "Assuming that ijar will be smaller and hoping for the best.\n",
             estimated_size_, kMaximumOutputSize);
     estimated_size_ = kMaximumOutputSize;