[CI] Run jobs on workflow dispatch

.github/workflows/caravan_build.yml

diff --git a/.github/workflows/caravan_build.yml b/.github/workflows/caravan_build.yml
index b072671..800c030 100644
--- a/.github/workflows/caravan_build.yml
+++ b/.github/workflows/caravan_build.yml
@@ -6,6 +6,7 @@
     push:
     # Runs on Pull Requests
     pull_request:
+    workflow_dispatch:
 
 jobs:
   make_truck:

.github/workflows/user_project_ci.yml

diff --git a/.github/workflows/user_project_ci.yml b/.github/workflows/user_project_ci.yml
index 0c81bb9..a7cb6e8 100644
--- a/.github/workflows/user_project_ci.yml
+++ b/.github/workflows/user_project_ci.yml
@@ -6,6 +6,7 @@
     push:
     # Runs on Pull Requests
     pull_request:
+    workflow_dispatch:
 
 jobs:
   precheck: