fix: avoid rate limiting for latest syft url query

templates/gitlab-ci-python.yml

@@ -1061,7 +1061,7 @@ py-sbom:
       if [[ -z "$PYTHON_SBOM_SYFT_URL" ]]
       then
         log_info "Syft version unset: retrieve latest version..."
-          PYTHON_SBOM_SYFT_URL=$(python3 -c 'import json,sys,urllib.request;s = urllib.request.urlopen("https://api.github.com/repos/anchore/syft/releases?per_page=1");resp=json.load(s);print(next(filter(lambda a: a["browser_download_url"].endswith("_linux_amd64.tar.gz"),resp[0]["assets"]))["browser_download_url"]);')
+        PYTHON_SBOM_SYFT_URL="https://github.com$(curl https://github.com/anchore/syft/releases -s | sed -rn 's/.*href="(.*_linux_amd64\.tar\.gz)".*/\1/p')"
         log_info "... use latest Syft version: \\e[32m$PYTHON_SBOM_SYFT_URL\\e[0m"
       fi
       python_sbom_syft="$PIP_CACHE_DIR/syft-$(echo "$PYTHON_SBOM_SYFT_URL" | md5sum | cut -d" " -f1)"