Update clang-format config for aligning trailing comments

Now requires clang-format 16.

.clang-format

@@ -6,7 +6,9 @@ AlignConsecutiveAssignments: false
 AlignConsecutiveDeclarations: false
 AlignEscapedNewlines: Left
 AlignOperands: false
-AlignTrailingComments: true
+AlignTrailingComments:
+  Kind: Always
+  OverEmptyLines: 1
 AllowShortBlocksOnASingleLine: Empty
 AllowShortCaseLabelsOnASingleLine: true
 AllowShortFunctionsOnASingleLine: Inline