[sharktank/shortfin] Schedule sharktank CI after IREE nightly release (#714)

Schedule sharktank CI after IREE nightly release, which happens around
1.20 AM to 1.40 AM PST.

Author: archana-ramalingam

.github/workflows/ci-llama-large-tests.yaml

@@ -9,8 +9,8 @@ name: Llama Benchmarking Tests
 on:
   workflow_dispatch:
   schedule:
-    # Weekdays at 4:00 AM UTC = 9:00 PM PST.
-    - cron: "0 4 * * 1-5"
+    # Weekdays at 11:00 AM UTC = 03:00 AM PST / 04:00 AM PDT
+    - cron: "0 11 * * 1-5"
 
 concurrency:
   # A PR number if a pull request and otherwise the commit hash. This cancels

.github/workflows/ci-sglang-benchmark.yml

@@ -21,8 +21,8 @@ name: SGLang Llama Benchmarking Tests
 on:
   workflow_dispatch:
   schedule:
-    # Weekdays at 4:00 AM UTC = 9:00 PM PST.
-    - cron: "0 4 * * 1-5"
+    # Weekdays at 11:00 AM UTC = 03:00 AM PST / 04:00 AM PDT
+    - cron: "0 11 * * 1-5"
 
 concurrency:
   # A PR number if a pull request and otherwise the commit hash. This cancels

.github/workflows/ci_eval.yaml

@@ -9,8 +9,8 @@ name: CI - sharktank perplexity
 on:
   workflow_dispatch:
   schedule:
-    # Weekdays nightly at 07:00 UTC = 23:00 PST / 00:00 PDT.
-    - cron: "0 7 * * 1-5"
+    # Weekdays at 11:00 AM UTC = 03:00 AM PST / 04:00 AM PDT
+    - cron: "0 11 * * 1-5"
 
 concurrency:
   # A PR number if a pull request and otherwise the commit hash. This cancels