Update WebRTC code version (2024-04-04T04:06:05).

Bug: None
Change-Id: I8c54f6bc7d446296155bfb7ec2e3a656cb59fd5d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/345604
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@{#41992}
diff --git a/call/version.cc b/call/version.cc
index c12cd0c..4fb283f 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 2024-04-02T04:04:27";
+const char* const kSourceTimestamp = "WebRTC source stamp 2024-04-04T04:06:05";
 
 void LoadWebRTCVersionInRegister() {
   // Using volatile to instruct the compiler to not optimize `p` away even