try to use last successful action for workflow dispatch

Author: lia-viam

.github/workflows/conan.yml

@@ -17,6 +17,24 @@ jobs:
     steps:
       - name: Checkout Code
         uses: actions/checkout@v4
+      - name: Get current git info
+        if: github.event_name == 'schedule'
+        id: git_info
+        run: |
+          echo "current_commit=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT
+          echo "current_branch=$(git branch --show-current)" >> $GITHUB_OUTPUT
+      - name: Get last successful commit
+        if: github.event_name == 'schedule'
+        id: last_successful_commit
+        uses: nrwl/last-successful-commit-action@v1
+        with:
+          branch: ${{ steps.git_info.outputs.current_branch }}
+          workflow_id: conan.yml
+      - name: Cancel scheduled build with no new commits
+        uses: nrwl/last-successful-commit-action@v1
+        if: |
+          github.event_name == 'schedule' &&
+          steps.git_info.outputs.current_commit == steps.last_successful_commit.outputs.commit_hash
 
   build_macos:
     if: github.repository_owner == 'viamrobotics'