ci: Use faster Linux ARM runners (#35880)

Switch our Linux aarch_64 release builds from Linux on Graviton (32
vCPU, 64GB) to Linux running on Apple M4 Pro (8vCPU, 32GB). Builds are
faster (20mins vs 30mins) for the same cost (960 unit minutes;
~$0.96/ea).

<img width="763" height="285" alt="Screenshot 2025-08-08 at 13 14 41"
src="https://github.com/user-attachments/assets/12c45c8b-59f3-40d8-974c-1003b5080287"
/>

Release Notes:

- N/A

.github/actionlint.yml

@@ -24,6 +24,9 @@ self-hosted-runner:
     - namespace-profile-8x16-ubuntu-2204
     - namespace-profile-16x32-ubuntu-2204
     - namespace-profile-32x64-ubuntu-2204
+    # Namespace Limited Preview
+    - namespace-profile-8x16-ubuntu-2004-arm-m4
+    - namespace-profile-8x32-ubuntu-2004-arm-m4
     # Self Hosted Runners
     - self-mini-macos
     - self-32vcpu-windows-2022

.github/workflows/ci.yml

@@ -511,8 +511,8 @@ jobs:
     runs-on:
       - self-mini-macos
     if: |
-      startsWith(github.ref, 'refs/tags/v')
-      || contains(github.event.pull_request.labels.*.name, 'run-bundling')
+      ( startsWith(github.ref, 'refs/tags/v')
+      || contains(github.event.pull_request.labels.*.name, 'run-bundling') )
     needs: [macos_tests]
     env:
       MACOS_CERTIFICATE: ${{ secrets.MACOS_CERTIFICATE }}
@@ -599,8 +599,8 @@ jobs:
     runs-on:
       - namespace-profile-16x32-ubuntu-2004 # ubuntu 20.04 for minimal glibc
     if: |
-      startsWith(github.ref, 'refs/tags/v')
-      || contains(github.event.pull_request.labels.*.name, 'run-bundling')
+      ( startsWith(github.ref, 'refs/tags/v')
+      || contains(github.event.pull_request.labels.*.name, 'run-bundling') )
     needs: [linux_tests]
     steps:
       - name: Checkout repo
@@ -650,7 +650,7 @@ jobs:
     timeout-minutes: 60
     name: Linux arm64 release bundle
     runs-on:
-      - namespace-profile-32x64-ubuntu-2004-arm # ubuntu 20.04 for minimal glibc
+      - namespace-profile-8x32-ubuntu-2004-arm-m4 # ubuntu 20.04 for minimal glibc
     if: |
       startsWith(github.ref, 'refs/tags/v')
       || contains(github.event.pull_request.labels.*.name, 'run-bundling')
@@ -703,10 +703,8 @@ jobs:
     timeout-minutes: 60
     runs-on: github-8vcpu-ubuntu-2404
     if: |
-      false && (
-      startsWith(github.ref, 'refs/tags/v')
-      || contains(github.event.pull_request.labels.*.name, 'run-bundling')
-      )
+      ( startsWith(github.ref, 'refs/tags/v')
+      || contains(github.event.pull_request.labels.*.name, 'run-bundling') )
     needs: [linux_tests]
     name: Build Zed on FreeBSD
     steps:

.github/workflows/release_nightly.yml

@@ -168,7 +168,7 @@ jobs:
     name: Create a Linux *.tar.gz bundle for ARM
     if: github.repository_owner == 'zed-industries'
     runs-on:
-      - namespace-profile-32x64-ubuntu-2004-arm # ubuntu 20.04 for minimal glibc
+      - namespace-profile-8x32-ubuntu-2004-arm-m4 # ubuntu 20.04 for minimal glibc
     needs: tests
     steps:
       - name: Checkout repo