env is unavailable to pass to reusable workflows in 'with'

.github/workflows/check-clang-format.yml

@@ -3,13 +3,7 @@
 name: Clang Format
 
 # This workflow can only be triggered by other workflows.
-on:
-  workflow_call:
-    inputs:
-      runner:
-        description: 'A string representing the GitHub runner to use.'
-        required: true
-        type: string
+on: workflow_call
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -21,7 +15,7 @@ defaults:
 
 jobs:
   clang-format:
-    runs-on: ${{ inputs.runner }}
+    runs-on: ubuntu-latest
     container: ghcr.io/xrplf/ci/tools-rippled-clang-format
     steps:
       # The $GITHUB_WORKSPACE and ${{ github.workspace }} might not point to the

.github/workflows/check-levelization.yml

@@ -3,13 +3,7 @@
 name: Levelization
 
 # This workflow can only be triggered by other workflows.
-on:
-  workflow_call:
-    inputs:
-      runner:
-        description: 'A string representing the GitHub runner to use.'
-        required: true
-        type: string
+on: workflow_call
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -21,7 +15,7 @@ defaults:
 
 jobs:
   levelization:
-    runs-on: ${{ inputs.runner }}
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683

.github/workflows/main.yml

@@ -23,35 +23,26 @@ env:
   # The Conan remote where the dependencies will be cached.
   CONAN_REMOTE_NAME: xrplf
   CONAN_REMOTE_URL: https://conan.ripplex.io
-  # The default runner for the jobs. This can be overridden in individual jobs.
-  RUNNER: ubuntu-latest
 
 jobs:
   # This job exposes the environment variables that will be used by other jobs.
   # It is a workaround for the env-context not being available in the 'with'
   # steps when calling other workflows.
   env-vars:
-    runs-on: ${{ env.RUNNER }}
+    runs-on: ubuntu-latest
     steps:
       - run: echo "Exposing environment variables."
     outputs:
       conan_remote_name: ${{ env.CONAN_REMOTE_NAME }}
       conan_remote_url: ${{ env.CONAN_REMOTE_URL }}
-      runner: ${{ env.RUNNER }}
 
   check-clang-format:
-    needs: env-vars
     if: github.event.pull_request.draft == false || contains(github.event.pull_request.labels.*.name, 'DraftRunCI')
     uses: ./.github/workflows/check-clang-format.yml
-    with:
-      runner: ${{ needs.env-vars.outputs.runner }}
 
   check-levelization:
-    needs: env-vars
     if: github.event.pull_request.draft == false || contains(github.event.pull_request.labels.*.name, 'DraftRunCI')
     uses: ./.github/workflows/check-levelization.yml
-    with:
-      runner: ${{ needs.env-vars.outputs.runner }}
 
   debian:
     needs: