Update mongo-c-driver to 1.17.5 version

ChangeLog

@@ -19,8 +19,6 @@ Version 4.5.3 'dan Eider':
 		* Packaging scripts can miss out on these errors (exit code)
 	- merge PR #679 (by rubo77)
 		* Readme.turnserver: how to run server as a daemon
-	- merge PR # #718 (by dcharbonnier)
-		* mongoc version 1.17.4
 
 10/01/2021 Oleg Moskalenko <[email protected]> Mihály Mészáros <[email protected]>
 Version 4.5.2 'dan Eider':

docker/coturn/CHANGELOG.md

@@ -12,7 +12,7 @@ Coturn TURN server Docker image changelog
 - [Coturn] 4.5.2: <https://github.com/coturn/coturn/blob/upstream/4.5.2/ChangeLog> 
 - [Alpine Linux] 3.13: <https://alpinelinux.org/posts/Alpine-3.13.0-released.html>
 - [Debian Linux] "buster": <https://www.debian.org/releases/buster/releasenotes>
-- [mongo-c-driver] 1.17.4 (`debian` only): <https://github.com/mongodb/mongo-c-driver/releases/tag/1.17.4>
+- [mongo-c-driver] 1.17.5 (`debian` only): <https://github.com/mongodb/mongo-c-driver/releases/tag/1.17.5>
 - Supported platforms:
     - `linux/amd64`
     - `linux/arm64`

docker/coturn/debian/Dockerfile

@@ -30,7 +30,7 @@ RUN apt-get install -y --no-install-recommends --no-install-suggests \
             libssl-dev
 
 # Prepare mongo-c-driver sources for building.
-ARG mongoc_ver=1.17.4
+ARG mongoc_ver=1.17.5
 RUN mkdir -p /tmp/mongoc/src/ && cd /tmp/mongoc/src/ \
  && git init \
  && git remote add origin https://github.com/mongodb/mongo-c-driver \