Refine CI triggers for `e2e` workflow (#34892)

.github/file-paths.yaml

@@ -82,6 +82,15 @@ sources: &sources
   - *frontend_sources
   - *backend_sources
 
+e2e_ci: &e2e_ci
+  - ".github/actions/build-e2e-matrix"
+  - ".github/actions/prepare-frontend/**"
+  - ".github/actions/prepare-backend/**"
+  - ".github/actions/prepare-uberjar-artifact"
+  - ".github/actions/e2e-prepare-containers"
+  - ".github/actions/prepare-cypress"
+  - ".github/actions/run-snowplow-micro"
+
 e2e_specs: &e2e_specs
   - "**/*.cy.*.js"
   - "e2e/runner/**"
@@ -90,7 +99,7 @@ e2e_specs: &e2e_specs
 
 e2e_all:
   - *default
-  - *ci
+  - *e2e_ci
   - *sources
   - *e2e_specs