gha: move release commands into it's own script

.github/workflows/c-cpp.yml

@@ -120,28 +120,5 @@ jobs:
     - name: Remove old release, fetch artifacts, repackage binaries and upload new release
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        RELEASE_TAG: ${{ github.ref_name == 'master' && 'continuous' || format('continuous-{0}', github.ref_name) }}
-      run: |
-        gh release delete "$RELEASE_TAG" \
-          --yes \
-          --cleanup-tag \
-          --repo "$GITHUB_REPOSITORY" || true
-        gh run download "$GITHUB_RUN_ID" \
-          --dir artifacts/ \
-          --repo "$GITHUB_REPOSITORY"
-        pushd artifacts/
-        echo "Found artifacts:"
-        ls
-        for i in $(find -mindepth 1 -maxdepth 1 -type d); do
-          mv "$i"/* .
-          rm -rf "$i"
-        done
-        echo "Repackaged artifacts:"
-        ls -R
-        popd
-        sleep 20s
-        gh release create "$RELEASE_TAG" artifacts/* \
-          --title "Xash3D FWGS Continuous ${{ github.ref_name }} Build" \
-          --target $GITHUB_SHA \
-          --repo "$GITHUB_REPOSITORY" \
-          --prerelease
+        BASE_BUILDNUM_DATE: "2015-04-01"
+      run: bash scripts/gha/make_release.sh "Xash3D FWGS" "${{ github.ref_name }}"