feat: don't trigger benchmarks for nightly container builds

Nightly containers are already tested when benchmark changes are ran through the CI. This avoids some unnecessary jobs.

.gitlab-ci.yml

@@ -512,6 +512,8 @@ jug_xl:singularity:nightly:
 
 benchmarks:detector:default:
   extends: .benchmarks
+  rules:
+   - if: '$CI_PIPELINE_SOURCE != "schedule"'
   variables:
     BENCHMARKS_TAG: "${INTERNAL_TAG}-default"
   trigger:
@@ -522,6 +524,7 @@ benchmarks:detector:nightly:
   extends: .benchmarks
   rules:
     - !reference ['.nightly', rules]
+    - if: '$CI_PIPELINE_SOURCE != "schedule"
   variables:
     BENCHMARKS_TAG: "${INTERNAL_TAG}-nightly"
   trigger:
@@ -530,6 +533,8 @@ benchmarks:detector:nightly:
 
 benchmarks:phyiscs:default:
   extends: .benchmarks
+  rules:
+   - if: '$CI_PIPELINE_SOURCE != "schedule"'
   variables:
     BENCHMARKS_TAG: "${INTERNAL_TAG}-default"
   trigger:
@@ -540,6 +545,7 @@ benchmarks:physics:nightly:
   extends: .benchmarks
   rules:
     - !reference ['.nightly', rules]
+    - if: '$CI_PIPELINE_SOURCE != "schedule"'
   variables:
     BENCHMARKS_TAG: "${INTERNAL_TAG}-nightly"
   trigger:
@@ -548,6 +554,8 @@ benchmarks:physics:nightly:
 
 benchmarks:reconstruction:default:
   extends: .benchmarks
+  rules:
+   - if: '$CI_PIPELINE_SOURCE != "schedule"'
   variables:
     BENCHMARKS_TAG: "${INTERNAL_TAG}-default"
   trigger:
@@ -558,6 +566,7 @@ benchmarks:reconstruction:nightly:
   extends: .benchmarks
   rules:
     - !reference ['.nightly', rules]
+    - if: '$CI_PIPELINE_SOURCE != "schedule"'
   variables:
     BENCHMARKS_TAG: "${INTERNAL_TAG}-nightly"
   trigger: