update release instructions: update webpage before tagging (#119)

Author: dgrove-oss

docs/release_instructions.md

@@ -1,15 +1,13 @@
 ## Release Instructions
 
-The AppWrapper project release process is driven via GitHub actions.
 
-To make a release, create a new release tag (vX.Y.Z) and push the
+1. Submit a housekeeping PR that does the following:
+   + Update the AppWrapper version number in the installation section of [README.md](../README.md#Installation).
+   + Update the `appwrapper_version` and `kueue_version` variables in [_config.yaml](../site/_config.yaml).
+
+2. After merging the PR, create a new release tag (vX.Y.Z) and push the
 tag to the main branch.  This will trigger the `release` workflow which
 will:
    + build, tag, and push images to [quay.io/ibm/appwrapper](https://quay.io/repository/ibm/appwrapper)
    + generate the install.yaml for the release
    + create a [GitHub release](https://github.com/project-codeflare/appwrapper/releases) that contains the install.yaml
-
-After the automated release process completes, do a followup PR containing the
-following updates to the main README and project website:
-   + Update the AppWrapper version number in the installation section of [README.md](../README.md#Installation).
-   + Update the `appwrapper_version` and `kueue_version` variables in [_config.yaml](../site/_config.yaml).