Add missing migration to fec-cms repo

[johnnyporkchops]

Summary

What we're after: There currently is a missing migration on fec-cms for syntax correction that was included in related PR mentioned below.

• [x] Confirm by running:./manage.py makemigrations --dry-run --verbosity 3 and it should show: home/migrations/0135_alter_resourcepage_sections.py
• [x] Confirm it is indeed on production by logging into CF and cf ssh cms, then cd app/fec/home/migrations
• [x] Run ./manage,py makemigrations to create it.
• [x] Do a PR to ad this migration file to the repo so migrations are up to date with prod

Related Issue/PR with the change requiring the migration:

• 6176

• 6225

Completion criteria

• [ ] home/migrations/0135_alter_resourcepage_sections.py is added to migrations for version control (GitHub)

Example dry run on local

Confirmed this migration when SSH'd into CMS on production: