fix: don't prepend https. I honestly don't know how it was working before

.gitea/workflows/update.yaml

@@ -36,14 +36,14 @@ jobs:
             PR_RESPONSE=$(curl -s -X POST -H "Authorization: token $PAT" \
               -H "Content-Type: application/json" \
               -d '{"title":"update","body":"automatic update","head":"update","base":"main"}' \
-              "https://$URL/api/v1/repos/$REPO_OWNER_SLASH_NAME/pulls")
+              "$URL/api/v1/repos/$REPO_OWNER_SLASH_NAME/pulls")
             
             PR_NUMBER=$(echo "$PR_RESPONSE" | jq -r '.number')
 
             curl -s -X POST -H "Authorization: token $PAT" \
               -H "Content-Type: application/json" \
               -d '{"Do":"merge","merge_when_checks_succeed":true,"delete_branch_after_merge":true}' \
-              "https://$URL/api/v1/repos/$REPO_OWNER_SLASH_NAME/pulls/$PR_NUMBER/merge"
+              "$URL/api/v1/repos/$REPO_OWNER_SLASH_NAME/pulls/$PR_NUMBER/merge"
 
           else
             git push origin update --force