CompatHelper: add new compat entry for "Scratch" at version "1" (#407)

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Author: github-actions[bot]

Project.toml

@@ -16,5 +16,6 @@ UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 [compat]
 ExprTools = "0.1"
 LLVM = "4.14.1"
+Scratch = "1"
 TimerOutputs = "0.5"
 julia = "1.6"