Fix osmodifier workflow permissions

Author: cwize1

.github/workflows/build.yml

@@ -193,6 +193,10 @@ jobs:
     with:
       hostArch: amd64
       hostDistro: azl3
+    permissions:
+      contents: read
+      # Azure login.
+      id-token: write
 
   tests-vmtests-osmodifier-ubuntu2404-amd64:
     name: VMTests suite osmodifier Ubuntu24.04 AMD64
@@ -202,6 +206,10 @@ jobs:
     with:
       hostArch: amd64
       hostDistro: ubuntu2404
+    permissions:
+      contents: read
+      # Azure login.
+      id-token: write
 
   tests-vmtests-osmodifier-ubuntu2404-arm64:
     name: VMTests suite osmodifier Ubuntu24.04 ARM64
@@ -211,3 +219,7 @@ jobs:
     with:
       hostArch: arm64
       hostDistro: ubuntu2404
+    permissions:
+      contents: read
+      # Azure login.
+      id-token: write

.github/workflows/tests-vmtests-osmodifier.yml

@@ -3,10 +3,7 @@
 
 name: Tests VMTests suite for OSModifier
 
-permissions:
-  contents: read
-  # Azure login.
-  id-token: write
+permissions: {}
 
 on:
   workflow_call: