Attempt to clear site build errors by updating dependency versions

Author: tkphd

.github/workflows/build-and-deploy.yml

@@ -1,3 +1,4 @@
+---
 name: check, build, deploy hpc-carpentry.org
 
 on:
@@ -65,7 +66,7 @@ jobs:
 #            pages/online-workshop-recommendations.md
 
       - name: Build and deploy gh-pages branch
-        uses: helaili/jekyll-action@2.2.0
+        uses: helaili/jekyll-action@v2
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           target_branch: 'gh-pages'

Gemfile

@@ -1,8 +1,7 @@
 source 'https://rubygems.org'
 
-gem 'faraday', '0.17.3'
+gem 'faraday', '~> 1'  # 1.0 <= version < 2.0
 
 group :jekyll_plugins do
   gem 'github-pages'
-#  gem 'jekyll-get-json', "~> 0.0.2"
 end