Add missing imports

Author: mtsokol

ci/array-api-skips.txt

@@ -264,6 +264,7 @@ array_api_tests/test_searching_functions.py::test_argmin
 array_api_tests/test_searching_functions.py::test_where
 # TODO: check error
 array_api_tests/test_searching_functions.py::test_nonzero
+array_api_tests/test_searching_functions.py::test_nonzero_zerodim_error
 
 # test_set_functions
 

sparse/finch_backend/__init__.py

@@ -25,6 +25,7 @@
     bitwise_right_shift,
     bitwise_xor,
     bool,
+    can_cast,
     ceil,
     compiled,
     complex64,
@@ -86,6 +87,7 @@
     pow,
     prod,
     random,
+    remainder,
     reshape,
     round,
     sign,
@@ -208,9 +210,11 @@
     "square",
     "logaddexp",
     "trunc",
+    "remainder",
     "logical_and",
     "logical_or",
     "logical_xor",
     "finfo",
     "iinfo",
+    "can_cast",
 ]