feat: pass GITHUB_SHA to triggered pipelines

This will then in turn help to get those jobs to pass the status back to github.

.gitlab-ci.yml

@@ -182,6 +182,7 @@ benchmarks:detector:failure:
 benchmarks:reconstruction:
   stage: trigger
   variables:
+    GITHUB_SHA: "${GITHUB_SHA}"
     DETECTOR: "$DETECTOR"
     DETECTOR_CONFIG: "$DETECTOR_CONFIG"
     DETECTOR_VERSION: "$DETECTOR_VERSION"
@@ -196,6 +197,7 @@ benchmarks:reconstruction:
 benchmarks:physics:
   stage: trigger
   variables:
+    GITHUB_SHA: "${GITHUB_SHA}"
     DETECTOR: "$DETECTOR"
     DETECTOR_CONFIG: "$DETECTOR_CONFIG"
     DETECTOR_VERSION: "$DETECTOR_VERSION"