chore: remove target-commitish from release-drafter config and ensure commitish is set in workflow

Co-authored-by: Copilot <copilot@github.com>

Author: kYaRick

.github/release-drafter.yml

@@ -1,6 +1,5 @@
 name-template: "v$RESOLVED_VERSION"
 tag-template: "v$RESOLVED_VERSION"
-target-commitish: main
 categories:
   - title: "✨ Features"
     labels: ["✨ enhancement", "feat"]

.github/workflows/release-drafter.yml

@@ -19,5 +19,6 @@ jobs:
       - uses: release-drafter/release-drafter@v7
         with:
           config-name: release-drafter.yml
+          commitish: main
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}