Make non pre-release

Author: antoyo

.github/workflows/main.yml

@@ -54,7 +54,6 @@ jobs:
         git_hash=$(git rev-parse --short "$GITHUB_SHA")
         gh release create master-$git_hash \
             /home/runner/work/gcc/gcc-13.deb \
-            --prerelease \
             --repo="$GITHUB_REPOSITORY" \
             --title="${GITHUB_REPOSITORY#*/} $git_hash" \
             --generate-notes