Update WebRTC code version (2023-05-10T04:12:11).

Bug: None
Change-Id: I521964323ef616b5eee4c12eb167b158cc1cbd8a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/304691
Bot-Commit: [email protected] <[email protected]>
Commit-Queue: [email protected] <[email protected]>
Cr-Commit-Position: refs/heads/main@{#40035}

Author: webrtc-version-updater

call/version.cc

@@ -13,7 +13,7 @@
 namespace webrtc {
 
 // The timestamp is always in UTC.
-const char* const kSourceTimestamp = "WebRTC source stamp 2023-05-09T04:05:34";
+const char* const kSourceTimestamp = "WebRTC source stamp 2023-05-10T04:12:11";
 
 void LoadWebRTCVersionInRegister() {
   // Using volatile to instruct the compiler to not optimize `p` away even