Increase resource usage for scheduled jobs (#7811)

Summary:
Scheduled fuzzer jobs are currently ooming, https://github.com/facebookincubator/velox/actions/runs/7041471735/job/19164078488 .
Run them on larger instances.

Pull Request resolved: #7811

Reviewed By: laithsakka

Differential Revision: D51720801

Pulled By: kgpai

fbshipit-source-id: ff3f3102180c465ddfd8092fa91de37882a27ce1

.github/workflows/scheduled.yml

@@ -24,7 +24,7 @@ defaults:
 
 jobs:
   linux-presto-fuzzer-run:
-    runs-on: 8-core
+    runs-on: 16-core
     timeout-minutes: 120
     env:
       CCACHE_DIR: "${{ github.workspace }}/.ccache/"
@@ -76,7 +76,7 @@ jobs:
 
 
   linux-spark-fuzzer-run:
-    runs-on: 8-core
+    runs-on: 16-core
     timeout-minutes: 120
     env:
       CCACHE_DIR: "${{ github.workspace }}/.ccache/"
@@ -145,7 +145,7 @@ jobs:
 
 
   linux-aggregate-fuzzer-run:
-    runs-on: 8-core
+    runs-on: 16-core
     timeout-minutes: 120
     env:
       CCACHE_DIR: "${{ github.workspace }}/.ccache/"
@@ -188,7 +188,7 @@ jobs:
             /tmp/aggregate_fuzzer_repro
 
   linux-join-fuzzer-run:
-    runs-on: 8-core
+    runs-on: 16-core
     timeout-minutes: 120
     env:
       CCACHE_DIR: "${{ github.workspace }}/.ccache/"