CI: skip examples with draft (#14453)

Author: Borda

.github/workflows/ci-app-examples.yml

@@ -20,6 +20,7 @@ concurrency:
 
 jobs:
   app-examples:
+    if: github.event.pull_request.draft == false
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false

.github/workflows/docs-checks.yml

@@ -14,6 +14,7 @@ concurrency:
 jobs:
   make-doctest:
     runs-on: ubuntu-20.04
+    needs: make-html  # make it depending on build docs to reduce load
     strategy:
       fail-fast: false
       matrix: