fic(ci): allow custom DIST_ROOT

name did not match one used in DIST_ROOT section

(cherry picked from commit a00d71e)

.github/workflows/main.yml

@@ -15,7 +15,7 @@ on:
         default: '/ipns/dist.ipfs.tech'
 
 env:
- DIST_ROOT: ${{ github.event.inputs.custom_dist_root || '/ipns/dist.ipfs.tech' }} # content root used for calculating diff to build
+ DIST_ROOT: ${{ github.event.inputs.dist_root || '/ipns/dist.ipfs.tech' }} # content root used for calculating diff to build
  KUBO_VER: 'v0.30.0'   # kubo daemon used for chunking and applying diff
  CLUSTER_CTL_VER: 'v1.0.8' # ipfs-cluster-ctl used for pinning