chore(deps): update dependency jekyll-github-metadata to v2.16.1 (#147)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

docs/Gemfile.lock

@@ -6,16 +6,15 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.5)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
-    base64 (0.1.1)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
     coffee-script-source (1.11.1)
     colorator (1.1.0)
     commonmarker (0.23.10)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.2.3)
     dnsruby (1.70.0)
       simpleidn (~> 0.2.1)
     em-websocket (0.5.3)
@@ -25,11 +24,10 @@ GEM
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
     execjs (2.9.0)
-    faraday (2.7.11)
-      base64
-      faraday-net_http (>= 2.0, < 3.1)
-      ruby2_keywords (>= 0.0.4)
-    faraday-net_http (3.0.2)
+    faraday (2.9.0)
+      faraday-net_http (>= 2.0, < 3.2)
+    faraday-net_http (3.1.0)
+      net-http
     ffi (1.16.3)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
@@ -216,6 +214,8 @@ GEM
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.20.0)
+    net-http (0.4.1)
+      uri
     nokogiri (1.15.4)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
@@ -231,7 +231,6 @@ GEM
       ffi (~> 1.0)
     rexml (3.2.6)
     rouge (3.26.0)
-    ruby2_keywords (0.0.5)
     rubyzip (2.3.2)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -254,6 +253,7 @@ GEM
       unf_ext
     unf_ext (0.0.8.2)
     unicode-display_width (1.8.0)
+    uri (0.13.0)
     webrick (1.8.1)
 
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