Remove the hardcoded action runner images.

Signed-off-by: Gavin Didrichsen <gavin.didrichsen@gmail.com>

Author: gavindidrichsen

.github/workflows/ci.yml

@@ -9,13 +9,9 @@ on:
 jobs:
   Spec:
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_ci.yml@main"
-    with:
-      runs_on: "ubuntu-24.04"
     secrets: "inherit"
 
   Acceptance:
     needs: Spec
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_acceptance.yml@main"
-    with:
-      runs_on: "ubuntu-24.04"
     secrets: "inherit"

.github/workflows/nightly.yml

@@ -8,14 +8,10 @@ on:
 jobs:
   Spec:
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_ci.yml@main"
-    with:
-      runs_on: "ubuntu-24.04"
     secrets: "inherit"
 
   Acceptance:
     needs: Spec
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_acceptance.yml@main"
-    with:
-      runs_on: "ubuntu-24.04"
     secrets: "inherit"