Bump syn from 2.0.90 to 2.0.93 #926

Job	Run time
Bundle install in Dockerfile	56s
oxi-test (ruby=3.0, os=ubuntu-latest)	1m 4s
oxi-test (ruby=3.2, os=ubuntu-latest)	1m 11s
oxi-test (ruby=3.3, os=ubuntu-latest)	1m 6s
oxi-test (ruby=3.0, os=windows-latest)	7m 27s
oxi-test (ruby=3.2, os=windows-latest)	6m 8s
oxi-test (ruby=3.3, os=windows-latest)	5m 47s
oxi-test (ruby=3.0, os=macos-latest)	54s
oxi-test (ruby=3.2, os=macos-latest)	54s
oxi-test (ruby=3.3, os=macos-latest)	1m 8s
magnus-0.5 (ruby=3.0, os=ubuntu-latest)	1m 27s
magnus-0.5 (ruby=3.2, os=ubuntu-latest)	1m 29s
magnus-0.5 (ruby=3.3, os=ubuntu-latest)	1m 30s
magnus-0.5 (ruby=3.0, os=windows-latest)	4m 47s
magnus-0.5 (ruby=3.2, os=windows-latest)	7m 58s
magnus-0.5 (ruby=3.3, os=windows-latest)	6m 45s
magnus-0.5 (ruby=3.0, os=macos-latest)	1m 13s
magnus-0.5 (ruby=3.2, os=macos-latest)	1m 6s
magnus-0.5 (ruby=3.3, os=macos-latest)	1m 12s
magnus-head (ruby=3.0, os=ubuntu-latest)	2m 36s
magnus-head (ruby=3.2, os=ubuntu-latest)	2m 30s
magnus-head (ruby=3.3, os=ubuntu-latest)	2m 23s
magnus-head (ruby=3.0, os=windows-latest)	6m 33s
magnus-head (ruby=3.2, os=windows-latest)	6m 27s
magnus-head (ruby=3.3, os=windows-latest)	8m 52s
magnus-head (ruby=3.0, os=macos-latest)	1m 23s
magnus-head (ruby=3.2, os=macos-latest)	1m 27s
magnus-head (ruby=3.3, os=macos-latest)	1m 25s
	1h 27m 38s

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