ci(runners): use larger github hosted runners + reduce cron frequency (#9002)

* chore(ci): move to github hosted large runners & reduce job frequency

Author: joshua-goldstein

.github/workflows/ci-dgraph-code-coverage.yml

@@ -24,8 +24,7 @@ on:
       - 'release/**'
 jobs:
   dgraph-code-coverage:
-    runs-on: [self-hosted, x64]
-    # runs-on: ubuntu-20.04
+    runs-on: ubuntu-20.04-32gb
     steps:
       - uses: actions/checkout@v3 # defaults to SHA of event that triggered workflow
       - name: Get Go Version

.github/workflows/ci-dgraph-fuzz.yml

@@ -14,7 +14,7 @@ on:
       - main
       - 'release/**'
   schedule:
-    - cron: "1 */8 * * *" # every 8hrs
+    - cron: "0 0 * * *" # 1 run per day
 jobs:
   fuzz-test:
     runs-on: ubuntu-20.04

.github/workflows/ci-dgraph-integration2-tests.yml

@@ -14,7 +14,7 @@ on:
       - main
       - 'release/**'
   schedule:
-    - cron: "1 */4 * * *" # every 4hrs
+    - cron: "0 0 * * *" # 1 run per day
 jobs:
   dgraph-integration2-tests:
     if: github.event.pull_request.draft == false

.github/workflows/ci-dgraph-ldbc-tests.yml

@@ -32,7 +32,7 @@ on:
       - main
       - 'release/**'
   schedule:
-    - cron: "1 0 * * *" # 1-run per day
+    - cron: "0 0 * * *" # 1-run per day
 jobs:
   dgraph-ldbc-tests:
     if: github.event.pull_request.draft == false

.github/workflows/ci-dgraph-load-tests.yml

@@ -32,11 +32,11 @@ on:
       - main
       - 'release/**'
   schedule:
-    - cron: "1 0,6,12,18 * * *"
+    - cron: "0 0 * * *" # 1 run per day
 jobs:
   dgraph-load-tests:
     if: github.event.pull_request.draft == false
-    runs-on: [self-hosted, x64]
+    runs-on: ubuntu-20.04-32gb
     steps:
       - uses: actions/checkout@v3
       - name: Get Go Version

.github/workflows/ci-dgraph-oss-build.yml

@@ -32,7 +32,7 @@ on:
       - main
       - 'release/**'
   schedule:
-    - cron: "1 0,6,12,18 * * *"
+    - cron: "0 0 * * *" # 1 run per day
 jobs:
   dgraph-oss-build:
     if: github.event.pull_request.draft == false

.github/workflows/ci-dgraph-tests-arm64.yml

@@ -22,17 +22,8 @@ on:
     branches:
       - main
       - 'release/**'
-  pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
-    branches:
-      - main
-      - 'release/**'
   schedule:
-    - cron: "1 0,6,12,18 * * *"
+    - cron: "0 0 * * *" # 1 run per day
 jobs:
   dgraph-tests:
     if: github.event.pull_request.draft == false

.github/workflows/ci-dgraph-tests.yml

@@ -32,11 +32,11 @@ on:
       - main
       - 'release/**'
   schedule:
-    - cron: "1 0,6,12,18 * * *"
+    - cron: "0 0 * * *" # 1 run per day
 jobs:
   dgraph-tests:
     if: github.event.pull_request.draft == false
-    runs-on: [self-hosted, x64]
+    runs-on: ubuntu-20.04-32gb 
     steps:
       - uses: actions/checkout@v3
       - name: Get Go Version

.github/workflows/ci-dgraph-upgrade-fixed-versions-tests.yml

@@ -1,10 +1,10 @@
 name: ci-dgraph-upgrade-fixed-versions-tests
 on:
   schedule:
-    - cron: "1 */12 * * *" # every 12hrs
+    - cron: "0 3 * *" # 1 run per day
 jobs:
   dgraph-upgrade-fixed-versions-tests:
-    runs-on: [self-hosted, x64]
+    runs-on: ubuntu-20.04-32gb 
     timeout-minutes: 720
     steps:
       - uses: actions/checkout@v3

.github/workflows/ci-dgraph-upgrade-tests.yml

@@ -4,21 +4,12 @@ on:
     branches:
       - main
       - 'release/**'
-  pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
-    branches:
-      - main
-      - 'release/**'
   schedule:
-    - cron: "1 */4 * * *" # every 4hrs
+    - cron: "0 0 * * *" # 1 run per day
 jobs:
   dgraph-upgrade-tests:
     if: github.event.pull_request.draft == false
-    runs-on: [self-hosted, x64]
+    runs-on: ubuntu-20.04-32gb 
     steps:
       - uses: actions/checkout@v3
         with: