chore(ci): update srtool

Author: ns212

.github/workflows/draft-release.yml

@@ -24,7 +24,7 @@ jobs:
           image: paritytech/srtool
           tag: 1.84.1
           package: ${{ matrix.runtime }}-runtime-parachain
-          runtime_dir: parachain/runtime/${{ matrix.runtime }}
+          runtime_dir: ${{ github.workspace }}/parachain/runtime/${{ matrix.runtime }}
           chain: ${{ matrix.runtime }}
           workdir: ${{ github.workspace }}
       - name: Store srtool digest to disk