Update WebRTC code version (2024-06-19T04:02:52).

Bug: None
Change-Id: If66c0eb4275dfcd55c389591f2d735239f6adeec
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/355021
Commit-Queue: webrtc-version-updater@webrtc-ci.iam.gserviceaccount.com <webrtc-version-updater@webrtc-ci.iam.gserviceaccount.com>
Bot-Commit: webrtc-version-updater@webrtc-ci.iam.gserviceaccount.com <webrtc-version-updater@webrtc-ci.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#42511}
diff --git a/call/version.cc b/call/version.cc
index 1279fb3..6b1fbc3 100644
--- a/call/version.cc
+++ b/call/version.cc
@@ -13,7 +13,7 @@
 namespace webrtc {
 
 // The timestamp is always in UTC.
-const char* const kSourceTimestamp = "WebRTC source stamp 2024-06-18T04:02:44";
+const char* const kSourceTimestamp = "WebRTC source stamp 2024-06-19T04:02:52";
 
 void LoadWebRTCVersionInRegister() {
   // Using volatile to instruct the compiler to not optimize `p` away even