Specify shell:bash in download-verify-element-tarball

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

.github/actions/download-verify-element-tarball/action.yml

@@ -19,15 +19,19 @@ runs:
               out-file-path: ${{ runner.temp }}/download-verify-element-tarball
 
         - name: Verify tarball
+          shell: bash
           run: gpg --verify element-*.tar.gz.asc element-*.tar.gz
           working-directory: ${{ runner.temp }}/download-verify-element-tarball
 
         - name: Extract tarball
+          shell: bash
           run: tar xvzf element-*.tar.gz -C webapp --strip-components=1
           working-directory: ${{ runner.temp }}/download-verify-element-tarball
 
         - name: Move webapp to out-file-path
+          shell: bash
           run: mv ${{ runner.temp }}/download-verify-element-tarball/webapp ${{ inputs.out-file-path }}
 
         - name: Clean up temp directory
+          shell: bash
           run: rm -R ${{ runner.temp }}/download-verify-element-tarball