Update start-up validation for LemonSqueezy

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Update image in code to 0.9.40

The version in the chart is already the latest, however
there is a fallback version in the code that can be
updated. That's what's happening here.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Update go.mod

Signed-off-by: Han Verstraete (OpenFaaS Ltd) <han@openfaas.com>

Make CI build single-arch

Multi-arch builds cannot be done locally, with the
docker type.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Remove Equinix Metal

Equinix Metal is too expensive to dedicate a whole bare-metal
host to a single inlets tunnel.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Update dependencies and build with Go 1.22

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Give specific amount of RAM for jobs

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Fix issue: #166 with Ubuntu 22.04 upgrade for DigitalOcean

The image being used for Ubuntu 18.04 was revoked by the
provider, so this updates to 22.04.

Fixes: #166

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Update cloud-provision to v0.6.8

Signed-off-by: Han Verstraete (OpenFaaS Ltd) <han@openfaas.com>

Run on actuated

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>