Update hashgen not to inject bin in the path

Having bin/ as a prefix meant the SHASUM command was failing
to find the correct binary path in the curl script and
throwing an error.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

.github/workflows/publish.yaml

@@ -88,7 +88,7 @@ jobs:
         run: ./build_redist.sh ${{ steps.get_tag.outputs.TAG }}
       - 
         name: Create SHA of binaries
-        run: ./ci/hashgen.sh
+        run: cd bin && ../ci/hashgen.sh
       - 
         name: Upload binaries and their SHA to Github Release
         uses: alexellis/upload-assets@0.2.2

ci/hashgen.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-for f in bin/faas-cli*; do shasum -a 256 $f > $f.sha256; done
+for f in faas-cli*; do shasum -a 256 $f > $f.sha256; done