Fix organization casing in docker workflow (#271) (#272)

* Testing lowercase repo name for cache

* Remove dev branch from workflow and fix cron schedule

* Use lowercase repo for cache-from in PR build as well.

---------

Co-authored-by: Aaron Marburg <amarburg@uw.edu>
(cherry picked from commit eaa8ec1)

Co-authored-by: Evan Palmer <evanp922@gmail.com>

.github/workflows/docker.yaml

@@ -1,9 +1,8 @@
 name: Docker
 
 on:
- # Disable schedule for preliminary testing
- # schedule:
- # - cron: "0 17 * * 6"
+ schedule:
+ - cron: "0 17 * * 6"
  push:
  branches:
  - iron
@@ -114,8 +113,8 @@ jobs:
  ${{ steps.meta-desktop-nvidia.outputs.bake-file }}
  push: ${{ env.PUSH }}
  set: |
- *.cache-from=type=registry,ref=ghcr.io/${{ github.repository }}:cache-${{ matrix.ROS_DISTRO }}
- *.cache-to=type=registry,mode=max,ref=ghcr.io/${{ github.repository }}:cache-${{ matrix.ROS_DISTRO }}
+ *.cache-from=type=registry,ref=ghcr.io/${{ steps.lowercase-repo.outputs.repository }}:cache-${{ matrix.ROS_DISTRO }}
+ *.cache-to=type=registry,mode=max,ref=ghcr.io/${{ steps.lowercase-repo.outputs.repository }}:cache-${{ matrix.ROS_DISTRO }}
 
  # Pull request builds are not cached; and only built for AMD64
  - if: github.event_name == 'pull_request'
@@ -130,5 +129,5 @@ jobs:
  ./docker-bake.hcl
  set: |
  *.platform=linux/amd64
- *.cache-from=type=registry,ref=ghcr.io/${{ github.repository }}:cache-${{ matrix.ROS_DISTRO }}
+ *.cache-from=type=registry,ref=ghcr.io/${{ steps.lowercase-repo.outputs.repository }}:cache-${{ matrix.ROS_DISTRO }}
  *.cache-to=