Update renovate.json: apply versioning=loose

This makes it possible for Renovate to detect updates such as from `x.x.x-0` to `x.x.x-1`.

References:
- https://docs.renovatebot.com/modules/versioning/loose/
- https://docs.renovatebot.com/configuration-options/#versioning

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

.github/renovate.json

@@ -20,6 +20,7 @@
 	"packageRules": [
 		{
 			"ignoreUnstable": false,
+			"versioning": "loose",
 			"matchSourceUrls": [
 				"https://github.com/devture/com.devture.ansible.role{/,}**",
 				"https://github.com/mother-of-all-self-hosting{/,}**"