enhancement(vrl): consolidate all VRL functions into vector-vrl-functions crate (#24402)

* Create all_vrl_functions

* Create and use vector-vrl-all

* Move dnstap-parser off of vector-lib

* Use vector-vrl-all in lib/codecs

* refactor: use vector-vrl-all as workspace dependency

* docs: add crate-level documentation for vector-vrl-all

* Use LazyLock to cache VRL function list

* Revert "Use LazyLock to cache VRL function list"

This reverts commit 04616c2844a07863d75f4aabed5f87a98e13b9d7.

* Add back changelog

* cargo fmt

* Skip testing vrl stdlib functions' examples

* Fix broken examples

* Move VRL function consolidation logic into vector_vrl_functions::all()

* Cargo fmt

* Add ignore for disallowed_methods