Handle encoding error from the parser gem #1061

Job	Run time
Prism	29s
Main Gem Specs \| RuboCop: master \| 2.7	2m 15s
Coding Style \| 3.0	32s
Main Gem Specs \| RuboCop: master \| 3.0	2m 2s
Specs \| 2.7	35s
Main Gem Specs \| RuboCop: v1.57.2 \| 3.3	2m 15s
Specs \| 3.0	22s
Specs \| 3.1	24s
Specs \| 3.2	25s
Specs \| 3.3	22s
Specs \| head	26s
Specs \| mingw	2m 4s
Coverage \| 2.7	41s
Specs "modern" \| 3.0	22s
Specs \| jruby	42s
Specs \| truffleruby	50s
Specs \| truffleruby-head	1m 5s
	15m 51s

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