fix path for homebrew script

Author: matilote

.github/workflows/release-nethermind.yml

@@ -147,7 +147,7 @@ jobs:
       - name: Update Homebrew file with new version, commit and date
         run: | 
           chmod +x ${{ env.RELEASE_DIRECTORY }}/update-homebrew.sh
-          ./${{ env.RELEASE_DIRECTORY }}/update-homebrew.sh
+          bash ${{ env.RELEASE_DIRECTORY }}/update-homebrew.sh
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v4
         with:
@@ -344,4 +344,4 @@ jobs:
     - name: Run publish PPA script
       run: | 
         chmod +x ./nethermind/scripts/deployment/publish-ppa.sh
-        ./nethermind/scripts/deployment/publish-ppa.sh
+        ./nethermind/scripts/deployment/publish-ppa.sh