Update create-prs.yaml

Author: hilmarf

.github/workflows/create-prs.yaml

@@ -56,11 +56,13 @@ jobs:
         run: |
           cd remote/${{ matrix.repo }}
           gh api graphql \
+          -F REPO=${{ github.repository_owner }}/${{ matrix.repo }} \
+          -F BRANCH=${{ env.BRANCH }} \
           -F SHA=$(git rev-parse HEAD) \
           -F MESSAGE="${{ env.PR_TITLE }}" \
           -F files[][path]="${{ env.FILE_TO_ADD }}" \
           -F files[][contents]=$(base64 -w0 ${{ env.FILE_TO_ADD }}) \
-          -F query='mutation($SHA:GitObjectID!$MESSAGE:String!$files:[FileAddition!]!){createCommitOnBranch(input:{branch:{repositoryNameWithOwner:{owner}/{repo},branchName:{branch}},message:{headline:$MESSAGE},fileChanges:{additions:$files}expectedHeadOid:$SHA}){commit{url}}}'
+          -F 'query=@../../.github/api/createSignedCommit.gql'
         env:
           GH_TOKEN: ${{ steps.generate_token.outputs.token }}