execute docker workflow only on explicit dispatch

Signed-off-by: Mic Bowman <[email protected]>

.github/workflows/docker.yml

@@ -7,17 +7,17 @@ name: Build and Push PDO Docker Images
 on:
   workflow_dispatch:
 
-  pull_request:
-    types: [closed]
-    branches: [main]
+  # pull_request:
+  #   types: [closed]
+  #   branches: [main]
 
 jobs:
 
   docker_build:
 
-    if: >
-      github.event.name == 'workflow_dispatch' ||
-      github.event.name == 'pull_request' && github.event.pull_request.merged == true
+    # if: >
+    #   github.event.name == 'workflow_dispatch' ||
+    #   github.event.name == 'pull_request' && github.event.pull_request.merged == true
     name: Build PDO Images
     runs-on: ubuntu-22.04