.clang-format: Adjust bin-packing of parameters and arguments

As per GIMP's style documentation [0]:

- put function parameters on their own lines,
- pack function arguments to fit line and only then wrap.

[0] https://developer.gimp.org/core/coding_style/

.clang-format

@@ -15,9 +15,11 @@ AlignConsecutiveBitFields: AcrossComments
 AlignConsecutiveMacros: AcrossComments
 AlignEscapedNewlines: Left
 
+AllowAllArgumentsOnNextLine: false
 AllowAllParametersOfDeclarationOnNextLine: false
 AlwaysBreakAfterReturnType: AllDefinitions
-BinPackParameters: false
+BinPackArguments: true
+BinPackParameters: AlwaysOnePerLine
 BreakBeforeBinaryOperators: None
 BreakBeforeBraces: GNU
 BreakBeforeTernaryOperators: false