docs: update release doc to include changes to publish script

Author: dgp1130

docs/process/release.md

@@ -168,7 +168,7 @@ For the first release of a major version, follow the instructions in
 For non-major release, check out the patch branch (e.g. `9.1.x`), then run:
 ```bash
 yarn # Reload dependencies
-yarn admin publish
+yarn admin publish --tag latest
 ```
 
 If also publishing a prerelease, check out `master`, then run:
@@ -177,6 +177,16 @@ yarn # Reload dependencies
 yarn admin publish --tag next
 ```
 
+If also publish an LTS branch, check out that patch branch (e.g. `8.3.x`), then
+run:
+
+**Make sure to update the NPM tag for the version you are releasing!**
+
+```bash
+yarn # Reload dependencies
+yarn admin publish --tag v8-lts
+```
+
 ### Release Notes
 
 `yarn run -s admin changelog` takes `from` and `to` arguments which are any valid git