fix: simplify and fix manifests generation script

chore: update dependencies

build: use fully qualified Docker image names

ci: build multi-platform images

chore: bump helm-sops version

chore: bump helm-sops version

feat: pass all values files directly to helmfile

chore: bump helm-sops version

docs: update readme

chore: revert to helm-sops release download

chore: update helm, helmfile, yq and Alpine base image

chore: update helm, helmfile and yq tools

fix: set $HOME path and give ownership to user 999

fix: avoid running helmfile fetch if local charts dir exists

fix: replace helmfile deps command by fetch one in init