Swap order of nogil & noexcept

Fixes a Cython warning when using the opposite ordering.

Author: jakirkham

numcodecs/_utils.pxd

@@ -8,14 +8,14 @@
 from libc.stdint cimport uint8_t, uint32_t
 
 
-cdef inline void store_le32(uint8_t c[4], uint32_t i) nogil noexcept:
+cdef inline void store_le32(uint8_t c[4], uint32_t i) noexcept nogil:
     c[0] = i & 0xFF
     c[1] = (i >> 8) & 0xFF
     c[2] = (i >> 16) & 0xFF
     c[3] = (i >> 24) & 0xFF
 
 
-cdef inline uint32_t load_le32(const uint8_t c[4]) nogil noexcept:
+cdef inline uint32_t load_le32(const uint8_t c[4]) noexcept nogil:
     return (
         c[0] |
         (c[1] << 8) |