move foundation test to main workflow

.github/workflows/integration_tests.yml

@@ -1,4 +1,4 @@
-name: IntegrationTests
+name: Integration Tests
 
 on:
   workflow_call:
@@ -19,10 +19,6 @@ on:
         type: boolean
         description: "Boolean to enable the compilation of examples. Defaults to true."
         default: true
-      check_foundation_enabled:
-        type: boolean
-        description: "Boolean to enable the check for Foundation dependency. Defaults to true."
-        default: true
       matrix_linux_command:
         type: string
         description: "The command of the current Swift version linux matrix job to execute."
@@ -64,17 +60,3 @@ jobs:
       - name: Web playground backend build
         working-directory: Examples/web-playground/backend
         run: swift build
-
-  check-foundation:
-    name: No dependencies on Foundation
-    if: ${{ inputs.check_foundation_enabled }}
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-      - name: Mark the workspace as safe
-        # https://github.com/actions/checkout/issues/766
-        run: git config --global --add safe.directory ${GITHUB_WORKSPACE}
-      - name: Check for Foundation or ICU dependency
-        run: |
-          .github/workflows/scripts/check-link-foundation.sh

.github/workflows/pull_request.yml

@@ -32,7 +32,6 @@ jobs:
       name: "Integration tests"
       examples_enabled: true
       matrix_linux_command: "swift build"
-      check_foundation_enabled: true
       # We pass the list of examples here, but we can't pass an array as argument
       # Instead, we pass a String with a valid JSON array.
       # The workaround is mentioned here https://github.com/orgs/community/discussions/11692
@@ -41,3 +40,16 @@ jobs:
   swift-6-language-mode:
     name: Swift 6 Language Mode
     uses: ./.github/workflows/swift-6-language-mode.yml
+
+  check-foundation:
+    name: No dependencies on Foundation
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Mark the workspace as safe
+        # https://github.com/actions/checkout/issues/766
+        run: git config --global --add safe.directory ${GITHUB_WORKSPACE}
+      - name: Check for Foundation or ICU dependency
+        run: |
+          .github/workflows/scripts/check-link-foundation.sh