specify shell

Author: baileympearson

.github/actions/build_documentation/action.yml

@@ -4,6 +4,7 @@ runs:
   using: 'composite'
   steps:
     - name: Install Hugo
+      shell: bash
       run: |
         mkdir hugo 
         curl -L https://github.com/gohugoio/hugo/releases/download/v0.150.0/hugo_0.150.0_linux-amd64.tar.gz | tar -xzf - -C hugo
@@ -14,3 +15,4 @@ runs:
 
     - name: Build Docs
       run: npm run build:docs -- --yes
+      shell: bash