fix gitlab ci

Signed-off-by: strawberry <strawberry@puppygock.gay>

.gitlab-ci.yml

@@ -53,9 +53,6 @@ before_script:
   # Allow .envrc
   - if command -v nix > /dev/null; then direnv allow; fi
 
-  # Cache attic client
-  - if command -v nix > /dev/null; then ./bin/nix-build-and-cache --inputs-from . attic; fi
-
   # Set CARGO_HOME to a cacheable path
   - export CARGO_HOME="$(git rev-parse --show-toplevel)/.gitlab-ci.d/cargo"
 
@@ -86,7 +83,7 @@ ci:
 
 artifacts:
   stage: artifacts
-  image: nixos/nix:2.22.0
+  image: nixos/nix:2.22.1
   script:
     - ./bin/nix-build-and-cache just .#static-x86_64-unknown-linux-musl
     - cp result/bin/conduit x86_64-unknown-linux-musl