Update stdlib_hashmap_chaining.f90

Another try to fix the CI

Author: chuckyvt

src/stdlib_hashmap_chaining.f90

@@ -811,7 +811,11 @@ module subroutine set_other_chaining_data( map, key, other, exists )
         else if ( associated( map % inverse(inmap) % target ) ) then
          !   associate( target => map % inverse(inmap) % target )
          !       target % other = other
-                map % inverse(inmap) % target % other = other
+                !map % inverse(inmap) % target % other = other
+                if allocated( map % inverse(inmap) % target % other ) then
+                    deallocate( map % inverse(inmap) % target % other )
+                endif
+                allocate( map % inverse(inmap) % target % other, source=other)
                 if ( present(exists) ) exists = .true.
                 return
          !   end associate