Fix newlines in temporary Fedora CI comment (#3014)

Fix newlines in temporary Fedora CI comment

Reviewed-by: gemini-code-assist[bot]
Reviewed-by: Nikola Forró
Reviewed-by: Laura Barcziová

Author: centosinfra-prod-github-app[bot]

packit_service/constants.py

@@ -348,13 +348,13 @@ def from_number(number: int):
 FEDORA_CI_TRANSITION_COMMENT = (
     "**:information_source: Fedora CI Transition Notice**\n\n"
     "Packit is now the default CI system for Fedora dist-git. "
-    "For more information, see:\n"
+    "For more information, see:\n\n"
     "- [Fedora Discussion: Packit as Fedora dist-git CI - Final Phase]"
     "(https://discussion.fedoraproject.org/t/packit-as-fedora-dist-git-ci-final-phase/180160)\n"
     "- [Packit Fedora CI Documentation](https://packit.dev/fedora-ci)\n\n"
-    "**Retriggering jobs:**\n"
+    "**Retriggering jobs:**\n\n"
     "- Scratch build: `/packit-ci scratch-build`\n"
-    "- Tests: `/packit-ci test`\n\n"
+    "- Tests: `/packit-ci test`\n"
     "- See more in the "
     "[retriggering documentation](https://packit.dev/fedora-ci/retriggering).\n\n"
     "Questions? Reach us at [#packit:fedora.im](https://matrix.to/#/#packit:fedora.im)\n\n"