POLIO-1781 Create a "standard chronogram" for all upcoming rounds of a Polio campaign

[kemar]

Create a "standard chronogram" for all upcoming rounds of a Polio campaign.

Related JIRA tickets : POLIO-1781

Changes

This PR:

• targets only rounds of Polio campaigns
• and automatically creates a new "standard chronogram":
  1. for all rounds already existing in DB with an upcoming starting date
     • via a data migration
  2. for all future rounds
     • via a new condition in RoundSerializer.create()

How to test

In the IASO UI:

1. go to Polio > Vaccine module > Chronogram (http://localhost:8081/dashboard/polio/vaccinemodule/chronogram/)
2. count the number of available Chronograms
3. go to Polio > Campaigns
4. choose a campaign of type Polio and add a new round
5. save changes and keep track of the campaign identifier
6. go back to Polio > Vaccine module > Chronogram
7. you should see a new Chronogram for the round you just created

Video

Screen.Recording.2025-02-04.at.15.30.22.mov