Update scala-cli version to 1.0.0-RC2 (#246)

Co-authored-by: gh-actions <[email protected]>

Author: github-actions[bot]

src/main.ts

@@ -6,7 +6,7 @@ import * as tc from '@actions/tool-cache'
 
 let csVersion = core.getInput('version')
 if (!csVersion) csVersion = '2.1.2'
-const scalaCLIVersion = '1.0.0-RC1'
+const scalaCLIVersion = '1.0.0-RC2'
 
 const coursierVersionSpec = csVersion