Fix formattign error in runs-on (#1356)

Signed-off-by: Ludvig Liljenberg <4257730+ludfjig@users.noreply.github.com>

Author: ludfjig

.github/workflows/RustNightly.yml

@@ -32,7 +32,7 @@ jobs:
         cpu: [amd, intel]
         config: [debug, release]
     runs-on: ${{ fromJson(
-        format('["self-hosted", "Linux", "X64", "1ES.Pool=hld-{0}-{1}", "JobId=musl-{2}-{3}-{4}-{5}-{6}"]', 
+        format('["self-hosted", "Linux", "X64", "1ES.Pool=hld-{0}-{1}", "JobId=musl-{2}-{3}-{4}-{5}"]', 
           matrix.hypervisor == 'mshv3' && 'azlinux3-mshv' || matrix.hypervisor, 
           matrix.cpu,
           matrix.config,