ci: split workflow into multiple files

.github/workflows/build.yaml

@@ -33,20 +33,3 @@ jobs:
         env:
           TESTSYS_SELFTEST_SKIP_IMAGE_BUILDS: true
           TESTSYS_SELFTEST_THREADS: 1
-  images:
-    runs-on:
-      group: bottlerocket
-      labels: bottlerocket_ubuntu-latest_16-core
-    steps:
-      - uses: actions/checkout@v4
-      # Build local tools container in case we are working on a new tools release
-      - run: make tools
-      - run: make images
-  license-check:
-    # A small machine is OK for this independent job.
-    runs-on: ubuntu-latest
-    # If we already checked the PR, we don't need to check the actual push
-    if: ${{ github.event_name == 'pull_request' }}
-    steps:
-      - uses: actions/checkout@v4
-      - run: make cargo-deny

.github/workflows/licenses.yaml

@@ -0,0 +1,24 @@
+name: Licenses
+on:
+  pull_request:
+    paths-ignore:
+      - 'docs/**'
+      - '.github/dependabot.yml'
+      - 'bottlerocket/tests/workload/**'
+      - '**.md'
+  push:
+    paths-ignore:
+      - 'docs/**'
+      - '.github/dependabot.yml'
+      - 'bottlerocket/tests/workload/**'
+      - '**.md'
+    branches: [develop]
+jobs:
+  cargo-deny:
+    # A small machine is OK for this independent job.
+    runs-on: ubuntu-latest
+    # If we already checked the PR, we don't need to check the actual push
+    if: ${{ github.event_name == 'pull_request' }}
+    steps:
+      - uses: actions/checkout@v4
+      - run: make cargo-deny

.github/workflows/tools.yaml

@@ -8,10 +8,12 @@ on:
       - 'tools/**'
     branches: [develop]
 jobs:
-  build:
+  images:
     runs-on:
       group: bottlerocket
-      labels: bottlerocket_ubuntu-latest_8-core
+      labels: bottlerocket_ubuntu-latest_16-core
     steps:
       - uses: actions/checkout@v4
+      # Build local tools container in case we are working on a new tools release
       - run: make tools
+      - run: make images