Revert "d: don't do rust nightly for sequential"

This reverts commit 25d0597.

Author: arik-so

.github/workflows/build-xcframework-sequential.yml

@@ -35,7 +35,6 @@ jobs:
                 uses: ./.github/actions/install-dependencies
                 with:
                     destination: ./bindings/artifacts
-                    configureRustNightly: false
             -   name: Generate XCFramework
                 uses: ./.github/actions/generate-xcframework
             -   name: Create XCFramework artifact