Update changelog for upcoming release.

[lemmih]

Summary of changes
Changes introduced in this pull request:

• Update CHANGELOG with a summary of changes since 2022-04-06.

Reference issue to close (if applicable)

Other information and links

[codecov]

Codecov Report

Merging #1606 (a249bff) into main (c475fa5) will increase coverage by 0.08%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1606      +/-   ##
==========================================
+ Coverage   29.41%   29.49%   +0.08%     
==========================================
  Files         194      193       -1     
  Lines       21264    21197      -67     
==========================================
- Hits         6254     6252       -2     
+ Misses      15010    14945      -65     

Impacted Files	Coverage Δ
blockchain/message_pool/src/msgpool/msg_pool.rs	65.55% <0.00%> (-0.20%)	⬇️
blockchain/message_pool/src/msgpool/mod.rs	87.62% <0.00%> (-0.14%)	⬇️
ipld/blockstore/src/tracking.rs

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[LesnyRumcajs]

@lemmih if it helps, here's the changelog generated by GH

## What's Changed
* implement NetDisconnect by @leviathanbeak in https://github.com/ChainSafe/forest/pull/1531
* docs: update changelog by @q9f in https://github.com/ChainSafe/forest/pull/1521
* Use `anyhow::Error` where possible. by @elmattic in https://github.com/ChainSafe/forest/pull/1519
* Upgrade to nv15 (actors v7, fvm v0.8) by @lemmih in https://github.com/ChainSafe/forest/pull/1487
* cleanup Forest to make CI green by @LesnyRumcajs in https://github.com/ChainSafe/forest/pull/1538
* Add tyshkor to CODEOWNERS. by @lemmih in https://github.com/ChainSafe/forest/pull/1540
* Remove native implementation of the v6 (nv14) actors. by @lemmih in https://github.com/ChainSafe/forest/pull/1559
* Remove native smart-contract backend. by @lemmih in https://github.com/ChainSafe/forest/pull/1542
* Move CID-related constants to FVM-owned crates. by @lemmih in https://github.com/ChainSafe/forest/pull/1543
* Runtime network selection by @elmattic in https://github.com/ChainSafe/forest/pull/1482
* Running config dump subcommand on a new machine fails by @tyshko5 in https://github.com/ChainSafe/forest/pull/1564
* Fix Forest docker image by @LesnyRumcajs in https://github.com/ChainSafe/forest/pull/1565
* Make event logging less verbose in steady-state mode. by @lemmih in https://github.com/ChainSafe/forest/pull/1557
* Remove audit exceptions for RUSTSEC-2020-0071 and RUSTSEC-2021-0130 by @lemmih in https://github.com/ChainSafe/forest/pull/1547
* PR 1534 LLVM code coverage by @tyshko5 in https://github.com/ChainSafe/forest/pull/1558
* use FVM ApplyRet and remove Forest's by @connormullett in https://github.com/ChainSafe/forest/pull/1567
* Remove ipld/hamt source code by @elmattic in https://github.com/ChainSafe/forest/pull/1572
* Subset of Forest Maintenance Tasks (Part 1) v2 by @jdjaustin in https://github.com/ChainSafe/forest/pull/1568
* remove commcid in favor of the fvm commcid by @connormullett in https://github.com/ChainSafe/forest/pull/1570
* Use GasTracker from fvm by @tyshko5 in https://github.com/ChainSafe/forest/pull/1566
* Remove utils/bigint in favor of fvm_shared::bigint by @tyshko5 in https://github.com/ChainSafe/forest/pull/1574
* Remove disabled code for handling older actor versions. by @tyshko5 in https://github.com/ChainSafe/forest/pull/1583
* Fix docker certs by @LesnyRumcajs in https://github.com/ChainSafe/forest/pull/1588
* Remove the clock crate.  by @tyshko5 in https://github.com/ChainSafe/forest/pull/1586
* Refactor chain-specific database location code by @tyshko5 in https://github.com/ChainSafe/forest/pull/1582
* Update proof parameters file to most recent version. by @lemmih in https://github.com/ChainSafe/forest/pull/1595
* use fvm-ipld-bitfield by @LesnyRumcajs in https://github.com/ChainSafe/forest/pull/1597
* improve pretty-print of BigInt byte values by @LesnyRumcajs in https://github.com/ChainSafe/forest/pull/1593
* remove forest ipld amt by @LesnyRumcajs in https://github.com/ChainSafe/forest/pull/1600
* Subset of Forest Maintenance Tasks (Part 2) by @jdjaustin in https://github.com/ChainSafe/forest/pull/1571

## New Contributors
* @tyshko5 made their first contribution in https://github.com/ChainSafe/forest/pull/1564

**Full Changelog**: https://github.com/ChainSafe/forest/compare/v0.2.2...v0.3.0

[lemmih]

I want us to move towards changelogs as described by https://keepachangelog.com/en/1.0.0/. Having auto-generated changelogs is better than nothing but it's much preferable to not include non-user-visible changes.

[LesnyRumcajs]

I want us to move towards changelogs as described by https://keepachangelog.com/en/1.0.0/. Having auto-generated changelogs is better than nothing but it's much preferable to not include non-user-visible changes.

Ya, I meant it as a cheatsheet to not go through the commits while doing a proper changelog.