2025/06-monthly: Try and fix formatting for jekyll

Author: CohenArthur

_posts/2025-07-17-2025-06-monthly-report.md

@@ -90,7 +90,7 @@ months.
 
     ``` rust
     macro_rules! simd_shuffle {
-        ($x:expr, $y:expr, $idx:expr $(,)?) => {{
+        ($x:expr, $y:expr, $idx:expr $(,)?) => {
             simd_shuffle(
                 $x,
                 $y,
@@ -99,7 +99,7 @@ months.
                     v
                 },
             )
-        }};
+        };
     }
 
     let d: uint8x8_t = simd_shuffle!(b, b, [8, 9, 10, 11, 12, 13, 14, 15]);