Update jinja syntax

Author: xhochy

template/.github/workflows/scorecard.yml.jinja

@@ -25,9 +25,9 @@ jobs:
     runs-on: ubuntu-latest
     # `publish_results: true` only works when run from the default branch. conditional can be removed if disabled.
 {%- endraw -%}
-{% set github_repo_url = github_url.split("/")[-2:].join("/") %}
-    if: (github.event.repository.default_branch == github.ref_name || github.event_name == 'pull_request') && github.repository == '{{ github_repo_url }}'
-{%- raw -%}
+{% set github_repo_url = github_url.split("/")[-2:] %}
+    if: (github.event.repository.default_branch == github.ref_name || github.event_name == 'pull_request') && github.repository == '{{ github_repo_url|join("/") }}'
+{% raw %}
     permissions:
       # Needed to upload the results to code-scanning dashboard.
       security-events: write