docs: Update release instructions (#779)

I hope to fix sdk-features soon

Author: lorensr

CONTRIBUTING.md

@@ -152,7 +152,7 @@ cargo install git-cliff
 
 ```sh
 # git-cliff --tag <new version> <current version>..HEAD | pbcopy
-git-cliff --tag 0.18.0 v0.17.2..HEAD | pbcopy
+git-cliff --tag 1.0.1 v1.0.0..HEAD | pbcopy
 ```
 
 - Paste into [CHANGELOG.md](CHANGELOG.md)
@@ -166,6 +166,8 @@ git-cliff --tag 0.18.0 v0.17.2..HEAD | pbcopy
 ```
 
 - Open PR with CHANGELOG change
+- Merge PR
+- Checkout latest `main`
 
 We're [working on automating](https://github.com/temporalio/sdk-typescript/pull/395) the rest of the process:
 
@@ -181,13 +183,9 @@ git clean -fdx
 npm ci
 npm run build
 
+mkdir -p packages/core-bridge/releases
 for f in ~/Downloads/packages-*.zip; do mkdir "$HOME/Downloads/$(basename -s .zip $f)"; (cd "$HOME/Downloads/$(basename -s .zip $f)" && unzip $f && tar -xvzf @temporalio/core-bridge/core-bridge-*.tgz package/releases/ && cp -r package/releases/* ~/gh/release-sdk-typescript/packages/core-bridge/releases/); done
 
-# we don't build for aarch64-linux in CI, so we build for it now
-export CC_aarch64_unknown_linux_gnu=aarch64-unknown-linux-gnu-gcc
-export CC_x86_64_unknown_linux_gnu=x86_64-unknown-linux-gnu-gcc
-export TEMPORAL_WORKER_BUILD_TARGETS=aarch64-unknown-linux-gnu
-npx lerna run --stream build-rust -- -- --target ${TEMPORAL_WORKER_BUILD_TARGETS}
 # we should now have all 5 build targets
 ls packages/core-bridge/releases/