merging dev changes - 26-11-24

See merge request gilligan-epid/wheat-rusts/ews-coordinator!5

moving WRT credentials file out of the configs dir and into the envs dir - alongside the email creds

adding "latest-release" tag for pages

moving the half fat epi tests into the main half-fat test suite, as it is much faster now and doesnt need to be a discretionary task run