disable 2025.06 CI checks that are failing due to absence of accel dirs

Author: bedroge

.github/workflows/tests_archdetect_nvidia_gpu.yml

@@ -19,7 +19,7 @@ jobs:
           - cc01 # non-existing GPU
         EESSI_VERSION:
           - '2023.06'
-          - '2025.06'
+          #- '2025.06'
       fail-fast: false
     steps:
     - name: checkout

.github/workflows/tests_eessi_extend_module.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         EESSI_VERSION:
           - '2023.06'
-          - '2025.06'
+          #- '2025.06'
     steps:
       - name: Check out software-layer repository
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

.github/workflows/tests_eessi_module.yml

@@ -156,7 +156,7 @@ jobs:
       matrix:
         EESSI_VERSION:
           - '2023.06'
-          - '2025.06'
+          #- '2025.06'
         EESSI_SOFTWARE_SUBDIR_OVERRIDE:
           - none
           - x86_64/amd/zen2