chore(GHA): update git diff on samples directories (#522)

* chore(GHA): adjust git diff

* Update description

* Fix bug in component sample path

.github/workflows/analyze-builds.yml

@@ -20,7 +20,8 @@ jobs:
           # This step involves analyzing if any files changed in the branch, if so we'll create zip files
           current_branch=$(git rev-parse --abbrev-ref HEAD)
           # did any files change in component or core samples
-          samples_changed=$(git diff --name-only "$current_branch" $(git merge-base "$current_branch" origin/main) -- "./core-samples" "./components")
+          # compare against version before the last commit in the branch
+          samples_changed=$(git diff --name-only "$current_branch" $(git merge-base "$current_branch" HEAD^) -- "./core-samples" "./component-samples")
           if [ -z "$samples_changed" ]; then
             echo "no samples changed, skipping creation of zip files"
             echo "zipskip=true" >> $GITHUB_OUTPUT