ci: Remove manual downgrade of `index_list` to make `solana-program-test` compile (#2739)

.github/workflows/reusable-tests.yaml

@@ -413,9 +413,7 @@ jobs:
             path: tests/declare-id
           - cmd: cd tests/typescript && anchor test --skip-lint && npx tsc --noEmit
             path: tests/typescript
-            # `solana-program-test` crate doesn't compile because `index_list` crate had a breaking change with a patch release
-            # TODO: Remove the `cargo update` command after the issue is fixed
-          - cmd: cd tests/zero-copy && cargo update -p index_list --precise 0.2.7 && anchor test --skip-lint && cd programs/zero-copy && cargo test-sbf
+          - cmd: cd tests/zero-copy && anchor test --skip-lint && cd programs/zero-copy && cargo test-sbf
             path: tests/zero-copy
           - cmd: cd tests/chat && anchor test --skip-lint
             path: tests/chat