Update GitHub Action Runners: (#290)

## Description

<!--- Please describe what this PR is going to change -->
The existing self-hosted runners are in Equinix Metal. Equinix Metal is
being sunset entirely. This moves the HookOS builds to CNCF-provided
GitHub Action Runners.

## Why is this needed

<!--- Link to issue you have raised -->

Fixes: #

## How Has This Been Tested?
<!--- Please describe in detail how you tested your changes. -->
<!--- Include details of your testing environment, and the tests you ran
to -->
<!--- see how your change affects other areas of the code, etc. -->


## How are existing users impacted? What migration steps/scripts do we
need?

<!--- Fixes a bug, unblocks installation, removes a component of the
stack etc -->
<!--- Requires a DB migration script, etc. -->


## Checklist:

I have:

- [ ] updated the documentation and/or roadmap (if required)
- [ ] added unit or e2e tests
- [ ] provided instructions on how to upgrade

Author: jacobweinstock

.github/workflows/build-all-matrix.yaml

@@ -25,12 +25,12 @@ env: # Global environment, passed to all jobs & all steps
   CI_TAGS: "standard armbian-sbc armbian-uefi lts" # 'dev' is not included
 
   # GHA runner configuration. See bash/json-matrix.sh for more details.
-  CI_RUNNER_LK_CONTAINERS_ARM64: "ARM64" # Use a self-hosted runner with the "ARM64" tag for the ARM64 builds of LK containers
-  CI_RUNNER_LK_CONTAINERS_AMD64: "X64" # Use a self-hosted runner with the "X86" tag for the AMD64 builds of LK containers
-  CI_RUNNER_LK_ARM64: "ARM64" # Use a self-hosted runner with the "ARM64" tag for the ARM64 linuxkit builds
-  CI_RUNNER_LK_AMD64: "X64" # Use a self-hosted runner with the "X86" tag for the AMD64 linuxkit builds
-  CI_RUNNER_KERNEL_AMD64: "X64" # Use a self-hosted runner with the "X86" tag for the AMD64 kernel builds
-  CI_RUNNER_KERNEL_ARM64: "ARM64" # Use a self-hosted runner with the "ARM64" tag for the ARM64 kernel builds
+  CI_RUNNER_LK_CONTAINERS_ARM64: "oracle-24cpu-384gb-arm64" # Use a self-hosted runner with the "ARM64" tag for the ARM64 builds of LK containers
+  CI_RUNNER_LK_CONTAINERS_AMD64: "oracle-24cpu-384gb-x86-64" # Use a self-hosted runner with the "X86" tag for the AMD64 builds of LK containers
+  CI_RUNNER_LK_ARM64: "oracle-24cpu-384gb-arm64" # Use a self-hosted runner with the "ARM64" tag for the ARM64 linuxkit builds
+  CI_RUNNER_LK_AMD64: "oracle-24cpu-384gb-x86-64" # Use a self-hosted runner with the "X86" tag for the AMD64 linuxkit builds
+  CI_RUNNER_KERNEL_AMD64: "oracle-24cpu-384gb-x86-64" # Use a self-hosted runner with the "X86" tag for the AMD64 kernel builds
+  CI_RUNNER_KERNEL_ARM64: "oracle-24cpu-384gb-arm64" # Use a self-hosted runner with the "ARM64" tag for the ARM64 kernel builds
 
 
 jobs: