chore(.env): Add cargo-machte and jq

Add cargo-machete and jq to `PACMAN_PACKAGES` as they are both required
for detecting unused dependencies.

Signed-off-by: David Runge <dvzrv@archlinux.org>

.env

 # Contains project specific variables
 
 # List of packages required specifically by this project
-PACMAN_PACKAGES="cargo-deny clang cmake cocogitto codespell git just make mold openssl pkgconf podman release-plz reuse ripgrep rustup shellcheck tangler"
+PACMAN_PACKAGES="cargo-deny cargo-machete clang cmake cocogitto codespell git jq just make mold openssl pkgconf podman release-plz reuse ripgrep rustup shellcheck tangler"