Fix FDP v2 index API (#637)

* replace `modificationTime`, `registrationTime`, and `astRetrievalTime` by `updatedAt`, `createdAt`, and `lastRetrievalAt`, respectively.

* replace setCreatedAt by setLastRetrievalAt before save

* add tests to reproduce issues #633, #643, #644

* set lastRetrievalAt for newIndexEntry test fixture

* sort by 'createdAt' instead of 'created' (fixes #643)

* add parameterized types in entry/Detail_GET

* add IndexEntry.events mapped to IndexEvent.relatedTo with cascade all (fixes #644)

* implement sort parameter validation for /index/entries endpoint
 
  based on an explicit list of allowed fields IndexEntryController.sortFields

* update changelog

Merge branch 'issue630-drafts' into issue621-dockerfile

remove remaining references to Dockerfile.build

Hotfix 1.17.2

Merge pull request #446 from FAIRDataTeam/fix/version-metadata

Hotfix 1.17.1

Hotfix 1.17.1

Merge pull request #432 from FAIRDataTeam/release/1.17.0

Release 1.17.0

Release 1.17.0

Merge pull request #387 from FAIRDataTeam/hotfix/1.16.2

Hotfix 1.16.2

Hotfix 1.16.2