refactor: rename platformOptions -> platformPrOptions (#30173)

lib/modules/platform/azure/__snapshots__/index.spec.ts.snap

lib/modules/platform/azure/index.spec.ts

lib/modules/platform/azure/index.ts

lib/modules/platform/bitbucket-server/index.spec.ts

lib/modules/platform/bitbucket-server/index.ts

lib/modules/platform/bitbucket/index.spec.ts

lib/modules/platform/bitbucket/index.ts

lib/modules/platform/gerrit/index.spec.ts

lib/modules/platform/gerrit/index.ts

lib/modules/platform/gitea/index.spec.ts

lib/modules/platform/gitea/index.ts

lib/modules/platform/github/index.spec.ts

lib/modules/platform/github/index.ts

lib/modules/platform/gitlab/index.spec.ts

lib/modules/platform/gitlab/index.ts

lib/modules/platform/types.ts

lib/workers/repository/config-migration/pr/index.ts

lib/workers/repository/onboarding/pr/index.ts

lib/workers/repository/update/branch/index.ts

lib/workers/repository/update/pr/index.ts