Merge branch 'patch-104' into 'master'

refactor: add icon for `.prettierignore`

See merge request gitlab-org/gitlab!30517

app/assets/javascripts/vue_shared/components/file_icon/file_icon_map.js

@@ -575,6 +575,7 @@ const fileNameIcons = {
   '.prettierrc.json': 'prettier',
   '.prettierrc.yaml': 'prettier',
   '.prettierrc.yml': 'prettier',
+  '.prettierignore': 'prettier',
   'nodemon.json': 'nodemon',
   '.sonarrc': 'sonar',
   browserslist: 'browserlist',