Display memory in bytes instead of MB for consistency

- Changed output to show bytes instead of MB
- Updated header to show 'Minne (bytes)'
- Better for comparing memory usage across all languages
- Memory data already collected in bytes from ps command

timelines/Swift/run_1.tsv

@@ -1,13 +1 @@
-8 5963776 0
-30 6111232 8
-53 6144000 8
-77 6160384 8
-100 6176768 8
-123 6176768 8
-146 6176768 8
-169 6176768 43
-191 6209536 43
-213 6209536 43
-235 6209536 43
-259 6225920 43
-280 0 0
+8 4292608 0