Bump syn from 2.0.46 to 2.0.48 #1440

Job	Run time
🔘 Static (3.2.2, ubuntu-latest, stable)	4m 58s
📥 Fetch CI data	2s
🧪 Test (2.5, ubuntu-latest, 1.60)	5m 50s
🧪 Test (2.5, ubuntu-latest, stable)	2m 38s
🧪 Test (2.5, macos-latest, stable)	6m 12s
🧪 Test (2.5, windows-2022, stable)	14m 6s
🧪 Test (2.6, ubuntu-latest, 1.60)	5m 53s
🧪 Test (2.6, ubuntu-latest, stable)	2m 41s
🧪 Test (2.6, macos-latest, stable)	6m 39s
🧪 Test (2.6, windows-2022, stable)	13m 55s
🧪 Test (2.7, ubuntu-latest, 1.60)	6m 24s
🧪 Test (2.7, ubuntu-latest, stable)	2m 42s
🧪 Test (2.7, macos-latest, stable)	5m 28s
🧪 Test (2.7, windows-2022, stable)	13m 59s
🧪 Test (3.0, ubuntu-latest, 1.60)	5m 48s
🧪 Test (3.0, ubuntu-latest, stable)	2m 26s
🧪 Test (3.0, macos-latest, stable)	5m 15s
🧪 Test (3.0, windows-2022, stable)	9m 25s
🧪 Test (3.1, ubuntu-latest, 1.60)	6m 12s
🧪 Test (3.1, ubuntu-latest, stable)	2m 26s
🧪 Test (3.1, macos-latest, stable)	4m 1s
🧪 Test (3.1, windows-2022, stable)	8m 37s
🧪 Test (3.2, ubuntu-latest, 1.60)	5m 29s
🧪 Test (3.2, ubuntu-latest, stable)	2m 26s
🧪 Test (3.2, macos-latest, stable)	4m 27s
🧪 Test (3.2, windows-2022, stable)	12m 3s
🧪 Test (3.3, ubuntu-latest, 1.60)	5m 41s
🧪 Test (3.3, ubuntu-latest, stable)	1m 52s
🧪 Test (3.3, macos-latest, stable)	3m 10s
🧪 Test (head, ubuntu-latest, 1.60)	5m 11s
🧪 Test (head, ubuntu-latest, stable)	1m 58s
🧪 Test (head, macos-latest, stable)	3m 19s
🧪 Test (head, windows-2022, stable)	10m 42s
🧪 Test (mswin, windows-2022, stable-x86_64-pc-windows-msvc)	7m 55s
	3h 19m 50s

Provide feedback