Set comment as output

Move the logic from the caller as a negation instead of trying to
negate it by hand.

src/main.ts

@@ -144,13 +144,7 @@ async function run(): Promise<void> {
 
     summary.addScannedDependencies(changes)
     printScannedDependencies(changes)
-    if (
-      config.comment_summary_in_pr === 'always' ||
-      (config.comment_summary_in_pr === 'on-failure' &&
-        process.exitCode === core.ExitCode.Failure)
-    ) {
-      await commentPr(core.summary)
-    }
+    await commentPr(core.summary, config)
   } catch (error) {
     if (error instanceof RequestError && error.status === 404) {
       core.setFailed(