CI: target bookworm for "future" job

Bookworm will be the basis for the next PureOS.
Plus, there was some persistent network error when running sid jobs.

.gitlab-ci.yml

@@ -76,7 +76,7 @@ build_deb:arm64:
     - cp ../*.deb .
 
 build_deb:future:
-  image: debian:sid
+  image: debian:bookworm
   allow_failure: true
   tags:
     - aarch64

Cargo.deps.newer

@@ -1,7 +1,7 @@
 # Dependencies which change based on build flags
 # For the newer-than-Byzantium config
 bitflags = "1.3.*"
-clap = { version = "3.1.*", features=["std"], default-features = false }
+clap = { version = "3.2.*", features=["std"], default-features = false }
 zbus = "1.9.*"
 zvariant = "2.10.*"
 # Newer versions seem to confuse the version of Cargo on Debian Bullseye

debian/rules

@@ -25,7 +25,7 @@ export RUSTFLAGS = --remap-path-prefix=$(CURDIR)=/remap-pwd $(xgot)
 
 
 distrel := $(shell lsb_release --codename --short)
-ifneq (,$(filter $(distrel),sid))
+ifneq (,$(filter $(distrel),bookworm))
 	newer = true
 else
 	newer = false