Bump qs from 6.5.2 to 6.5.3 in /backend

Bumps [qs](https://github.com/ljharb/qs) from 6.5.2 to 6.5.3.
- [Release notes](https://github.com/ljharb/qs/releases)
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ljharb/qs/compare/v6.5.2...v6.5.3)

---
updated-dependencies:
- dependency-name: qs
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Dockerfile

@@ -1,5 +1,5 @@
 # Fetching our ffmpeg
-FROM ubuntu:23.04 AS ffmpeg
+FROM ubuntu:22.04 AS ffmpeg
 ENV DEBIAN_FRONTEND=noninteractive
 # Use script due local build compability
 COPY ffmpeg-fetch.sh .
@@ -8,7 +8,7 @@ RUN sh ./ffmpeg-fetch.sh
 
 # Create our Ubuntu 22.04 with node 16.14.2 (that specific version is required as per: https://stackoverflow.com/a/72855258/8088021)
 # Go to 20.04
-FROM ubuntu:23.04 AS base
+FROM ubuntu:20.04 AS base
 ARG DEBIAN_FRONTEND=noninteractive
 ENV UID=1000
 ENV GID=1000