#6631 Update Flyte CI to use bitnami legacy repo for older pinned Bitnami docker images Pull request opened by Sovietaced ## Tracking issue Closes #6630 ## Why are the changes needed? See: bitnami/charts#35164 tl;dr: bitnami is moving old docker images to bitnami-legacy, to encourage folks to make the switch they are doing intentional brownouts every week. ## What changes were proposed in this pull request? Use the Bitnami-legacy image repository for old pinned images ## How was this patch tested? With CI ## Check all the applicable boxes • I updated the documentation accordingly. • All new and existing tests passed. • All commits are signed-off. https://bito.ai#summarystart| ### Summary by Bito This pull request updates the CI configuration to use the Bitnami legacy repository for older pinned Docker images, ensuring the CI pipeline functions correctly with these images following Bitnami's transition. flyteorg/flyte