Upgrade prawn-svg #3919

Job	Run time
activate	1s
lint	23s
build (ubuntu-latest, jruby-9.2.21.0, ~> 2.2)	9m 10s
build (ubuntu-latest, jruby-9.4.2.0, ~> 2.2)	8m 50s
build (ubuntu-latest, 2.7, ~> 2.2)	6m 10s
build (windows-latest, jruby-9.2.21.0, ~> 2.2)	10m 45s
build (windows-latest, jruby-9.4.2.0, ~> 2.2)	12m 33s
build (windows-latest, 2.7, ~> 2.2)	8m 59s
build (windows-latest, 3.2, ~> 2.2)	8m 57s
build (ubuntu-latest, 3.0)	5m 30s
build (macos-latest, 3.2)	7m 17s
build (ubuntu-latest, 2.7, 2.0.10, ~> 2.0.0)	5m 53s
build (windows-latest, 3.2, 0.8.0)	9m 10s
build (ubuntu-latest, 3.2, upstream)	5m 34s
build (ubuntu-latest, 3.2, ~> 4.0.0, primary)	8m 35s
	1h 47m 47s

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