ci: clippy warns instead of errors (style lints don't block CI)

Author: VictorLux

.github/workflows/ci.yml

@@ -41,14 +41,7 @@ jobs:
           cargo clippy --no-deps
           -p zipherx-core -p zipherx-crypto -p zipherx-network
           -p zipherx-storage -p zipherx-ffi -p zipherx-tor -p zipherx-platform
-          -- -D warnings
-          -A clippy::manual_is_multiple_of
-          -A clippy::useless_conversion
-          -A clippy::needless_borrows_for_generic_args
-          -A clippy::type_complexity
-          -A clippy::drop_non_drop
-          -A clippy::unnecessary_cast
-          -A clippy::cloned_ref_to_slice_refs
+          -- -W clippy::all
 
       - name: Verify Cargo.lock is up-to-date
         run: cargo check --locked