add script/config for tagging & pushing images

[pdabelf5]

Proposed changes

Add script and config to tag and publish images to the various registries.

Examples

export CONFIG_PATH=.github/config/config-oss-gcr-release
export SOURCE_TAG=edge
export TARGET_TAG=3.5.0
export DRY_RUN=true
export ADDITIONAL_TAG=3.5
.github/scripts/copy-images.sh

export CONFIG_PATH=.github/config/config-plus-gcr-release
export SOURCE_TAG=edge
export TARGET_TAG=3.5.0
export DRY_RUN=true
export ADDITIONAL_TAG=3.5
.github/scripts/copy-images.sh

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork