fix(release): lowercase owner for GHCR OCI helm push (OCI repos must be lowercase)

Author: Ignacio Van Droogenbroeck

.github/workflows/release.yml

@@ -125,8 +125,10 @@ jobs:
 
       - name: Push chart to GHCR (OCI)
         run: |
-          helm push dist/launchpad-${{ needs.prepare.outputs.version }}.tgz \
-            oci://ghcr.io/${{ github.repository_owner }}/charts
+          # OCI repository paths must be lowercase; the org slug is mixed-case.
+          OWNER="$(echo '${{ github.repository_owner }}' | tr '[:upper:]' '[:lower:]')"
+          helm push "dist/launchpad-${{ needs.prepare.outputs.version }}.tgz" \
+            "oci://ghcr.io/${OWNER}/charts"
 
   release:
     name: GitHub Release