ci: (flaky-test-monitor) dynamic test matrix on ubuntu-latest

Author: tim-barry

.github/workflows/flaky-test-monitor.yml

@@ -55,7 +55,7 @@ jobs:
       matrix:
         targets: ${{ fromJSON(needs.create-dynamic-test-matrix.outputs.dynamic-matrix)}}
     # need to set image explicitly due to GitHub logging issue as described in https://github.com/onflow/flow-go/pull/3087#issuecomment-1234383202
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
         uses: actions/checkout@v4