Update BuildArtifacts.yml

Author: 1-Bart-1

.github/workflows/BuildArtifacts.yml

@@ -1,6 +1,6 @@
 # This workflow builds artifacts for multiple Julia versions concurrently
 # and then creates a single pull request with the updated TOML files.
-# Additionally, on a Project.toml version change, it aggregates all built
+# Additionally it aggregates all built
 # tarballs and uploads a single versioned artifact:
 #   model-archives-<package-version>
 
@@ -10,6 +10,8 @@ on:
   push:
     branches:
       - main
+    paths:
+      - Project.toml
   workflow_dispatch:
 
 concurrency:
@@ -63,8 +65,10 @@ jobs:
 
   # This job runs in parallel for each Julia version specified in the matrix.
   build:
-    if: "!contains(github.event.head_commit.message, 'update-toml-files')"
     needs: version_check
+    if: >
+      (github.event_name == 'workflow_dispatch' || needs.version_check.outputs.changed == 'true')
+      && !contains(github.event.head_commit.message || '', 'update-toml-files')
     runs-on: ubuntu-latest
     strategy:
       fail-fast: true
@@ -111,11 +115,11 @@ jobs:
         path: .
         retention-days: 1
 
-  # Aggregate all tarballs into a single versioned artifact only on version bump.
+  # Aggregate all tarballs into a single versioned artifact.
   collect_archives:
     runs-on: ubuntu-latest
     needs: [version_check, build]
-    if: needs.version_check.outputs.changed == 'true'
+    if: github.event_name == 'workflow_dispatch' || needs.version_check.outputs.changed == 'true'
     steps:
       - name: Download all tarball artifacts
         uses: actions/download-artifact@v4
@@ -140,6 +144,7 @@ jobs:
   create_pr:
     runs-on: ubuntu-latest
     needs: build
+    if: github.event_name == 'workflow_dispatch' || needs.version_check.outputs.changed == 'true'
 
     steps:
     - name: Checkout a clean version of the code