refactor: rename compatibility -> constraints (#7308)

docs/usage/configuration-options.md

lib/config/__snapshots__/migration.spec.ts.snap

lib/config/definitions.ts

lib/config/migration.spec.ts

lib/config/migration.ts

lib/config/presets/internal/monorepo.ts

lib/config/validation.spec.ts

lib/config/validation.ts

lib/datasource/common.ts

lib/datasource/pypi/__snapshots__/index.spec.ts.snap

lib/datasource/pypi/index.spec.ts

lib/datasource/pypi/index.ts

lib/manager/bundler/__snapshots__/artifacts.spec.ts.snap

lib/manager/bundler/__snapshots__/extract.spec.ts.snap

lib/manager/bundler/artifacts.spec.ts

lib/manager/bundler/artifacts.ts

lib/manager/bundler/extract.ts

lib/manager/common.ts

lib/manager/gomod/__snapshots__/extract.spec.ts.snap

lib/manager/gomod/artifacts.spec.ts