fix: correct log output when creating releases (#933)

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The log is a bit misleading, I changed it to represent what it actually
represents.

Signed-off-by: Dennis Kugelmann <dennis.kugelmann@simpleclub.com>
Co-authored-by: Jeff Ching <chingor@google.com>

src/index.ts

@@ -121,7 +121,7 @@ export async function main() {
 
   if (!inputs.skipGitHubRelease) {
     const manifest = await loadOrBuildManifest(github, inputs);
-    core.debug('Creating pull requests');
+    core.debug('Creating releases');
     outputReleases(await manifest.createReleases());
   }