5.1.1-rc

✨ New Features

• d12d232 - endpoint exposing communication templates for a campaign (commit by @davdarras)
• 24e4587 - handle communication informations for campaign/ou link (commit by @davdarras)

🐛 Bug Fixes

• 292c7d8 - delete request communication configuration parameter (commit by @davdarras)
• 58734aa - keep old survey unit endpoint for retrocompatibility (commit by @davdarras)
• 4569d4e - keep acl for the old su endpoint (commit by @davdarras)
• eacbaba - sonar issues (commit by @davdarras)
• a5f2677 - delete useless methods (commit by @davdarras)
• 86d253c - adapt jpa request (commit by @davdarras)
• 6442955 - use spring data query instead of jpa query for CommunicationInformationDB (commit by @davdarras)

♻️ Refactors

• e2e7463 - simplify survey unit retrieval (commit by @davdarras)

✅ Tests

• 8f5075d - add communication info not found test (commit by @davdarras)