Only execute benchmarks on main. (#4710)

* Only execute benchmarks on main.

* Remove condition.

* Update .drone/drone.jsonnet

* Generate .drone.yml.

.drone/drone.jsonnet

@@ -338,8 +338,14 @@ local manifest(apps) = pipeline('manifest') {
     steps: [
       run('LogQL', ['go test -mod=vendor -bench=Benchmark -benchtime 20x -timeout 120m ./pkg/logql/'])
     ],
-    trigger: {event: ['cron'], cron: ['loki-bench']},
-    //when: condition('include').tagMain,
+    trigger+: {
+      event+: {
+        include+: ['cron'],
+      },
+      cron+: {
+        include+: ['loki-bench'],
+      },
+    },
   },
 ] + [
   multiarch_image(arch)

.drone/drone.yml

@@ -67,9 +67,11 @@ steps:
   name: LogQL
 trigger:
   cron:
-  - loki-bench
+    include:
+    - loki-bench
   event:
-  - cron
+    include:
+    - cron
 workspace:
   base: /src
   path: loki
@@ -954,6 +956,6 @@ kind: secret
 name: deploy_config
 ---
 kind: signature
-hmac: 6b8d9fa66b043f8338f674bb0c4deb881195d23d9ce048ad1ed284483b873ee3
+hmac: 51902a0ab9982aa73cf0151076af99808912bfd357dff8184f408d40cc70d140
 
 ...