Avoid space around pow for None, True and False (#8189)

crates/ruff_python_formatter/tests/snapshots/format@expression__binary_pow_spacing.py.snap

@@ -0,0 +1,34 @@
+---
+source: crates/ruff_python_formatter/tests/fixtures.rs
+input_file: crates/ruff_python_formatter/resources/test/fixtures/ruff/expression/binary_pow_spacing.py
+---
+## Input
+```py
+# No spacing
+5 ** 5
+5.0 ** 5.0
+1e5 ** 2e5
+True ** True
+False ** False
+None ** None
+
+# Space
+"a" ** "b"
+```
+
+## Output
+```py
+# No spacing
+5**5
+5.0**5.0
+1e5**2e5
+True**True
+False**False
+None**None
+
+# Space
+"a" ** "b"
+```
+
+
+