Bump docker/metadata-action from 5.3.0 to 5.4.0 (#350) #1352

Job	Run time
Rebuild main branch dependencies	2s
Lint checks	13s
Elixir dependencies (Elixir 1.14.3, OTP 25)	12s
Generate project documentation	19s
Elixir dependencies (Elixir 1.13.4, OTP 22)	13s
API bc check (V1)	22s
API bc check (V2)	23s
Static Code Analysis	2m 56s
Test (Elixir 1.14.3, OTP 25)	42s
Test (Elixir 1.13.4, OTP 22)	36s
Build and push container images	3m 22s
Commit the project on OBS	2m 3s
Build the docker image for the demo environment	3m 25s
	14m 48s

Provide feedback