(CAT-2360) Set workflows to install nightly agent images

Author: david22swan

.github/workflows/ci.yml

@@ -18,4 +18,5 @@ jobs:
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_acceptance.yml@main"
     with:
       runs_on: "ubuntu-24.04"
+      flags: "--nightly"
     secrets: "inherit"

.github/workflows/nightly.yml

@@ -17,5 +17,6 @@ jobs:
     uses: "puppetlabs/cat-github-actions/.github/workflows/module_acceptance.yml@main"
     with:
       runs_on: "ubuntu-24.04"
+      flags: "--nightly"
     secrets: "inherit"