Update instructions.

Author: rkistner

RELEASING.md

@@ -1,6 +1,7 @@
 # Preparing Release
 
 Bump the version number in these places:
+
 1. Cargo.toml
 2. powersync-sqlite-core.podspec.
 3. android/build.gradle.kts
@@ -14,10 +15,24 @@ git push --tags
 
 # Perform Release
 
+Build:
+
 ```
 gh workflow run release --ref v1.2.3
 ```
 
-Once that is done, go to the Maven staging repository, and promote the build:
+The above does the following:
+
+1. Create a draft GitHub release.
+2. Build the xcframework for iOS and macOS, and upload to GitHub (attached to the above release).
+3. Publish the cocoapod for iOS and macOS.
+4. Build and publish an Android aar to Sonatype staging.
+
+Once that is done, go to the Maven staging repository, and "Close", wait, and "Release" the
+repository:
 
 https://s01.oss.sonatype.org/#stagingRepositories
+
+Docs: https://central.sonatype.org/publish/release/
+
+Go to GitHub Releases on the repository, update the description, then "Publish Release".