Update CI to ftl-build:v1.23 containers

[DL6ER]

By submitting this pull request, I confirm the following:

• I have read and understood the contributors guide.
• I have checked that another pull request for this purpose does not exist.
• I have considered, and confirmed that this submission will be valuable to others.
• I accept that this submission may not be used, and the pull request closed at the will of the maintainer.
• I give this submission freely, and claim no ownership to its content.

How familiar are you with the codebase?:

10

---

Update CI to use ftl-build:v1.23 containers. This includes two changes:

• Update statically linked nettle from version 3.8 to 3.8.1
• Include an "all-options" test build for dnsmasq (DBus, conntrack, nftset)

[yubiuser]

Should we run the test also against the new pihole-FTL_full binary?

FTL/test/run.sh

Line 4 in 6f69dd5

if [[ ${CI} == "true" && "${CI_ARCH}" != "x86_64" && "${CI_ARCH}" != "x86_64-musl" && "${CI_ARCH}" != "x86_32" ]]; then

[DL6ER]

@yubiuser done