Lower timeout for llava-runner and eval_llama-mmlu jobs again

#8173 raised these timeouts. Now that #8248 has landed to fix #8180, we should be able to lower them again. (I'm sending this early so I don't forget; double-check llava-runner running time)

ghstack-source-id: cb4c169
ghstack-comment-id: 2648474106
Pull Request resolved: #8339

Author: swolchok

.github/workflows/pull.yml

@@ -212,7 +212,7 @@ jobs:
       docker-image: executorch-ubuntu-22.04-clang12
       submodules: 'true'
       ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
-      timeout: 180
+      timeout: 90
       script: |
         # The generic Linux job chooses to use base env, not the one setup by the image
         CONDA_ENV=$(conda env list --json | jq -r ".envs | .[-1]")
@@ -526,7 +526,7 @@ jobs:
       docker-image: executorch-ubuntu-22.04-clang12
       submodules: 'true'
       ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
-      timeout: 180
+      timeout: 90
       script: |
         # The generic Linux job chooses to use base env, not the one setup by the image
         CONDA_ENV=$(conda env list --json | jq -r ".envs | .[-1]")