[3.13] gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907) (GH-122012)

(cherry picked from commit 1a0c7b9ba4)

Lib/test/test_array.py

@@ -1493,7 +1493,7 @@ class FPTest(NumberTest):
                 self.assertEqual(a, b)
             else:
                 # On alphas treating the byte swapped bit patters as
-                # floats/doubles results in floating point exceptions
+                # floats/doubles results in floating-point exceptions
                 # => compare the 8bit string values instead
                 self.assertNotEqual(a.tobytes(), b.tobytes())
             b.byteswap()