[CI] Add permissions to sycl-rel-nightly-launch workflow (#18977)

Some tool is complaining.

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Signed-off-by: Sarnie, Nick <[email protected]>

Author: sarnex

.github/workflows/sycl-rel-nightly-launch.yml

@@ -4,6 +4,8 @@
 
 name: Scheduled sycl-rel-nightly launch
 
+permissions: read-all
+
 on:
   # The sycl-rel-nightly.yml workflow file on the sycl-rel-6_2 branch is most
   # likely stale. Do not schedule before it's updated.
@@ -14,6 +16,8 @@ on:
 jobs:
   launch:
     if: github.repository == 'intel/llvm'
+    permissions:
+      actions: write
     runs-on: ubuntu-latest
     steps:
       - name: Launch