Upgrade srtool GHA to v0.9.1 (#2655)

Upgrade to [srtool-actions
v0.9.1](https://github.com/chevdor/srtool-actions/releases/tag/v0.9.1)
to fix issue introduced in
https://github.com/paritytech/polkadot-sdk/pull/2217

.github/workflows/build-and-attach-release-runtimes.yml

@@ -23,7 +23,7 @@ jobs:
           - { name: glutton-westend, package: glutton-westend-runtime, path: cumulus/parachains/runtimes/glutton/glutton-westend }
         build_config:
           # Release build has logging disabled and no dev features
-          - { type: on-chain-release, opts: --features on-chain-release-build } 
+          - { type: on-chain-release, opts: --features on-chain-release-build }
           # Debug build has logging enabled and developer features
           - { type: dev-debug-build, opts: --features try-runtime }
 
@@ -35,7 +35,7 @@ jobs:
 
     - name: Build ${{ matrix.runtime.name }} ${{ matrix.build_config.type }}
       id: srtool_build
-      uses: chevdor/srtool-actions@v0.9.0
+      uses: chevdor/srtool-actions@v0.9.1
       env:
         BUILD_OPTS: ${{ matrix.build_config.opts }}
       with: