Update Changelog #1220

1. 
   jonasnick commented at 9:54 am on March 7, 2023: contributor

   Looking at the PRs since the last release, the following ones seem to deserve a changelog entry:

   • #1178
   • #1209
   • maybe https://github.com/bitcoin-core/secp256k1/pull/1212
2. jonasnick added this to the milestone 0.3.0 on Mar 7, 2023
3. 
   real-or-random commented at 10:12 am on March 7, 2023: contributor

   Thanks, I was also about to make a list. What are your thoughts on adding #1188? This can be interesting for users who run the tests manually instead of using make check. I guess there are a few reasons to do this.

   • maybe [Prevent dead-store elimination when clearing secrets in examples #1212](https://github.com/bitcoin-core/secp256k1/pull/1212)

   I don’t think it’s strictly necessary, but I’m happy to include it. It won’t hurt to draw the attention of users to this.

4. real-or-random referenced this in commit d232112fa7 on Mar 7, 2023
5. real-or-random cross-referenced this on Mar 7, 2023 from issue Update Changelog by real-or-random
6. jonasnick referenced this in commit 4393a9cf3c on Mar 7, 2023
7. real-or-random closed this on Mar 8, 2023

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8. real-or-random referenced this in commit eb8749fcd0 on Mar 8, 2023
9. dderjoel referenced this in commit de727c2e99 on May 23, 2023

Contributors
jonasnick real-or-random

Milestone
0.3.0