Update mqtt image tag

5 jobs for integrate-MQTT in 17 minutes and 22 seconds (queued for 15 seconds)
Status Job ID Name Coverage
  Windows
failed #486075
Windows10 allowed to fail
masterJobWindows

00:01:54

 
  Linux Compile
passed #486076
CompileJobLinux

00:06:10

87.0%
 
  Integration
passed #486077
MqttIntegrationJob

00:01:58

passed #486079
Ros2IntegrationJob

00:05:05

passed #486078
RosIntegrationJob

00:09:16

 
Name Stage Failure
failed
masterJobWindows Windows There is an unknown failure, please try again
Using Shell executor...
Running on DESKTOP-FKNELQH...
Fetching changes...
Removing target/
HEAD is now at 66e4949 Hard code mqtt image version
fatal: unable to access 'https://gitlab-ci-token:xxxxxxxxxxxxxxxxxxxx@git.rwth-aachen.de/monticore/EmbeddedMontiArc/generators/EMAM2Middleware.git/': Failed to connect to git.rwth-aachen.de port 443: Timed out
Checking out e9690b1a as integrate-MQTT...
fatal: reference is not a tree: e9690b1a6b333092e032924789d17005c475129e
ERROR: Job failed: exit status 128