build: 🔨 improve formatting of contributor list (#274)

# Description

From t-squared.

Needs no review.

Author: lwjohnst86

docs/includes/_contributors.qmd

@@ -1,3 +1,7 @@
-The following people have contributed to this project by submitting pull requests :tada:
+The following people have contributed to this project by submitting pull
+requests :tada:
 
- [\@lwjohnst86](https://github.com/lwjohnst86), [\@martonvago](https://github.com/martonvago), [\@signekb](https://github.com/signekb), [\@joelostblom](https://github.com/joelostblom)
+[\@joelostblom](https://github.com/joelostblom),
+[\@lwjohnst86](https://github.com/lwjohnst86),
+[\@martonvago](https://github.com/martonvago),
+[\@signekb](https://github.com/signekb)

tools/get-contributors.sh

@@ -11,10 +11,12 @@ contributors=$(gh api \
   -H "Accept: application/vnd.github+json" \
   -H "X-GitHub-Api-Version: 2022-11-28" \
   /repos/$repo_spec/contributors \
-  --template '{{range .}} [\@{{.login}}]({{.html_url}}){{"\n"}}{{end}}' | \
+  --template '{{range .}}[\@{{.login}}]({{.html_url}}){{"\n"}}{{end}}' | \
   grep -v "\[bot\]" | \
+  sort | \
   tr '\n' ', ' | \
-  sed -e 's/,$/\n/'
+  sed -e 's/,$/\n/' | \
+  sed -e 's/,/,\n/g'
 )
 
-echo "The following people have contributed to this project by submitting pull requests :tada:\n\n${contributors}"
+echo "The following people have contributed to this project by submitting pull\nrequests :tada:\n\n${contributors}"