ci: use runners provided by CNCF (#1946)

Signed-off-by: Ramkumar Chinchani <rchincha@cisco.com>

.github/workflows/build.yaml

@@ -18,7 +18,7 @@ jobs:
     permissions:
       contents: write
       packages: write
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-16-cores
     strategy:
       matrix:
         os: [linux, darwin, freebsd]

.github/workflows/nightly.yaml

@@ -14,7 +14,7 @@ permissions: read-all
 jobs:
   dedupe:
     name: Dedupe/restore blobs
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-16-cores
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/clean-runner
@@ -62,7 +62,7 @@ jobs:
 
   sync:
     name: Sync harness
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-16-cores
     steps:
       - name: Check out source code
         uses: actions/checkout@v4
@@ -81,7 +81,7 @@ jobs:
 
   gc-referrers-stress-s3:
     name: GC(with referrers) on S3(localstack) with short interval
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-16-cores
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/clean-runner
@@ -118,7 +118,7 @@ jobs:
 
   gc-stress-s3:
     name: GC(without referrers) on S3(localstack) with short interval
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-16-cores
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/clean-runner
@@ -155,7 +155,7 @@ jobs:
 
   docker-image:
     name: Build docker image (for users still using Docker environments)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-16-cores
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/clean-runner

.github/workflows/test.yaml

@@ -14,7 +14,7 @@ permissions: read-all
 jobs:
   test-run-minimal:
     name: Running zot without extensions tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-16-cores
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/clean-runner
@@ -57,7 +57,7 @@ jobs:
       - uses: ./.github/actions/teardown-localstack
   test-run-extensions:
     name: Run zot with extensions tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-16-cores
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/clean-runner
@@ -80,7 +80,6 @@ jobs:
           cd $GITHUB_WORKSPACE
           go mod download
       - uses: ./.github/actions/setup-localstack
-      - uses: ./.github/actions/check-diskspace
       - name: run zot extended tests
         run: |
           cd $GITHUB_WORKSPACE
@@ -99,7 +98,7 @@ jobs:
       - uses: ./.github/actions/teardown-localstack
   test-run-devmode:
     name: Running privileged tests on Linux
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-latest-16-cores
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/clean-runner