relocate renovate shared config again

.github/renovate.json5

@@ -1,5 +1,8 @@
 /** @format */
 
 {
-	extends: ["config:recommended", "local>Mikaela/shell-things:rc//renovate"],
+	extends: [
+		"config:recommended",
+		"local>Mikaela/shell-things:.renovate-shared",
+	],
 }

.gitignore

@@ -14,6 +14,7 @@
 !.pre-commit-config.yaml
 !.prettierignore
 !.prettierrc
+!.renovate-shared.json*
 !.reuse
 
 # Certificates (unlikely to happen, but better safe than sorry)