Bump jekyll-feed from 0.15.1 to 0.16.0 (#269)

Bumps [jekyll-feed](https://github.com/jekyll/jekyll-feed) from 0.15.1 to 0.16.0.
- [Release notes](https://github.com/jekyll/jekyll-feed/releases)
- [Changelog](https://github.com/jekyll/jekyll-feed/blob/master/History.markdown)
- [Commits](https://github.com/jekyll/jekyll-feed/compare/v0.15.1...v0.16.0)

---
updated-dependencies:
- dependency-name: jekyll-feed
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -3,7 +3,7 @@ source "https://rubygems.org"
 gem "jekyll", "~> 3.9"
 gem "jekyll-sitemap", "~> 1.4"
 gem "jekyll-gist", "~> 1.5"
-gem "jekyll-feed", "~> 0.15.0"
+gem "jekyll-feed", "~> 0.16.0"
 gem "jekyll-data", "~> 1.1"
 gem "kramdown-parser-gfm", "~> 1.1"
 gem "webrick", "~> 1.7"

Gemfile.lock

@@ -44,7 +44,7 @@ GEM
       safe_yaml (~> 1.0)
     jekyll-data (1.1.1)
       jekyll (>= 3.3, < 5.0.0)
-    jekyll-feed (0.15.1)
+    jekyll-feed (0.16.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-gist (1.5.0)
       octokit (~> 4.2)
@@ -92,12 +92,13 @@ GEM
 
 PLATFORMS
   universal-darwin-21
+  x86_64-linux
 
 DEPENDENCIES
   bundler
   jekyll (~> 3.9)
   jekyll-data (~> 1.1)
-  jekyll-feed (~> 0.15.0)
+  jekyll-feed (~> 0.16.0)
   jekyll-gist (~> 1.5)
   jekyll-sitemap (~> 1.4)
   kramdown-parser-gfm (~> 1.1)