Fix linux_job_v2 after pytorch/test-infra#6104 (#2692)

Summary:
Same as pytorch/executorch#7731

Pull Request resolved: #2692

Reviewed By: PaulZhang12

Differential Revision: D68442367

Pulled By: atalman

fbshipit-source-id: 6693cdab50a0748997b955958c65b876dc6f2dec

Author: atalman

.github/workflows/unittest_ci.yml

@@ -64,6 +64,9 @@ jobs:
             python-tag: "py312"
             cuda-tag: "cu124"
     uses: pytorch/test-infra/.github/workflows/linux_job_v2.yml@main
+    permissions:
+      id-token: write
+      contents: read
     with:
       runner: ${{ matrix.os }}
       timeout: 30

.github/workflows/unittest_ci_cpu.yml

@@ -36,6 +36,9 @@ jobs:
               python-version: '3.12'
               python-tag: "py312"
     uses: pytorch/test-infra/.github/workflows/linux_job_v2.yml@main
+    permissions:
+      id-token: write
+      contents: read
     with:
       runner: ${{ matrix.os }}
       timeout: 15