Update tg_owt revision.

Telegram/build/docker/centos_env/Dockerfile

@@ -737,7 +737,7 @@ RUN mkdir tg_owt
 WORKDIR tg_owt
 RUN git init
 RUN git remote add origin $GIT/desktop-app/tg_owt.git
-RUN git fetch --depth=1 origin f03ef05abf665437649a4f71886db1343590e862
+RUN git fetch --depth=1 origin 91d836dc84a16584c6ac52b36c04c0de504d9c34
 RUN git reset --hard FETCH_HEAD
 RUN git submodule init
 RUN git submodule update

docs/building-msvc-x64.md

@@ -240,7 +240,7 @@ Open **x64 Native Tools Command Prompt for VS 2019.bat**, go to ***BuildPath***
 
     git clone https://github.com/desktop-app/tg_owt.git
     cd tg_owt
-    git checkout f03ef05abf
+    git checkout 91d836dc84
     git submodule init
     git submodule update
     mkdir out

docs/building-msvc.md

@@ -240,7 +240,7 @@ Open **x86 Native Tools Command Prompt for VS 2019.bat**, go to ***BuildPath***
 
     git clone https://github.com/desktop-app/tg_owt.git
     cd tg_owt
-    git checkout f03ef05abf
+    git checkout 91d836dc84
     git submodule init
     git submodule update
     mkdir out

docs/building-xcode.md

@@ -303,7 +303,7 @@ Go to ***BuildPath*** and run
 
     git clone https://github.com/desktop-app/tg_owt.git
     cd tg_owt
-    git checkout f03ef05abf
+    git checkout 91d836dc84
     git submodule init
     git submodule update
     mkdir out

snap/snapcraft.yaml

@@ -457,7 +457,7 @@ parts:
   webrtc:
     source: https://github.com/desktop-app/tg_owt.git
     source-depth: 1
-    source-commit: f03ef05abf665437649a4f71886db1343590e862
+    source-commit: 91d836dc84a16584c6ac52b36c04c0de504d9c34
     plugin: cmake
     build-packages:
       - yasm