test: confirm unix and windows machines install shell scripts

Author: zimeg

.github/workflows/tests.yml

@@ -42,6 +42,29 @@ jobs:
           files: ./coverage.out
           fail_ci_if_error: false
 
+  install:
+    name: Install
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            script: ./scripts/install.sh
+            shell: bash
+          - os: windows-latest
+            script: ./scripts/install-windows.ps1
+            shell: pwsh
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout the latest changes
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        with:
+          persist-credentials: false
+      - name: Attempt the installation
+        shell: ${{ matrix.shell }}
+        run: ${{ matrix.script }}
+
   # Monitor code coverage and TODO/FIXME-type comments
   health-score:
     name: Health Score