Fix benchmark container image (#7559)

Author: jaydeluca

.github/workflows/benchmark.yml

@@ -15,7 +15,7 @@ jobs:
     name: Benchmark SDK
     runs-on: oracle-bare-metal-64cpu-512gb-x86-64
     container:
-      image: ubuntu-24.04
+      image: ubuntu:24.04
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2