[AMD] ci: move the miles nightlies from rocm700 to rocm10 (#37495)

Co-authored-by: Zhiyao Jiang <jessicajiang324@gmail.com>

.github/workflows/nightly-test-amd-miles-rocm10.yml

@@ -1,4 +1,4 @@
-name: Nightly Test Miles (AMD ROCm 7.2)
+name: Nightly Test Miles (AMD ROCm 10)
 
 on:
   schedule:
@@ -7,7 +7,7 @@ on:
   workflow_dispatch:
     inputs:
       image_tag:
-        description: "Override miles image tag (e.g. miles-rocm720-mi35x-20260621); empty = newest by date"
+        description: "Override miles image tag (e.g. miles-rocm10-mi35x-20260901); empty = newest by date"
         required: false
         type: string
         default: ""
@@ -46,10 +46,10 @@ jobs:
           username: ${{ secrets.DOCKERHUB_AMD_USERNAME }}
           password: ${{ secrets.DOCKERHUB_AMD_TOKEN }}
 
-      - name: Resolve newest miles ROCm 7.2 image
+      - name: Resolve newest miles ROCm 10 image
         run: |
           repo="rocm/sgl-dev"
-          base="miles-rocm720-mi35x"
+          base="miles-rocm10-mi35x"
           tag="${{ inputs.image_tag }}"
           if [ -z "${tag}" ]; then
             # Walk back from today; the build job pushes a dated tag at 12:00 UTC.

.github/workflows/release-docker-amd-miles-rocm10-nightly.yml

@@ -1,4 +1,4 @@
-name: Release Docker Images Nightly Miles ROCm7.0 (AMD)
+name: Release Docker Images Nightly Miles ROCm10 (AMD)
 
 on:
   workflow_dispatch:
@@ -20,8 +20,7 @@ jobs:
       fail-fast: false
       matrix:
         variant:
-          - rocm700-mi35x
-          - rocm700-mi30x
+          - rocm10-mi35x
     steps:
       - name: Checkout miles repository
         uses: actions/checkout@v4