Update WebRTC code version (2023-08-22T04:11:35).

Bug: None
Change-Id: I66a557f80467b752f6201960c4a6e36f29082d49
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/317183
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@{#40590}
diff --git a/call/version.cc b/call/version.cc
index 9beea24..f9af465 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 2023-08-21T04:02:03";
+const char* const kSourceTimestamp = "WebRTC source stamp 2023-08-22T04:11:35";
 
 void LoadWebRTCVersionInRegister() {
   // Using volatile to instruct the compiler to not optimize `p` away even