Update WebRTC code version (2022-05-12T04:02:41).

Bug: None
Change-Id: Ied41819bce6f0224dce4596d26e4f621c7923dd9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262083
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@{#36859}
diff --git a/call/version.cc b/call/version.cc
index 4a3d008..3ec3264 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 2022-05-11T04:01:49";
+const char* const kSourceTimestamp = "WebRTC source stamp 2022-05-12T04:02:41";
 
 void LoadWebRTCVersionInRegister() {
   // Using volatile to instruct the compiler to not optimize `p` away even