Fix formatting problem in periodic-fwc pipeline (#134059) (#134131)

Author: jozala

.buildkite/pipelines/periodic-fwc.template.yml

@@ -1,5 +1,5 @@
 steps:
-  - label: "{{matrix.FWC_VERSION}}" / fwc
+  - label: "{{matrix.FWC_VERSION}} / fwc"
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v$$FWC_VERSION#fwcTest -Dtests.bwc.snapshot=false
     timeout_in_minutes: 300
     agents:

.buildkite/pipelines/periodic-fwc.yml

@@ -1,6 +1,6 @@
 # This file is auto-generated. See .buildkite/pipelines/periodic-fwc.template.yml
 steps:
-  - label: "{{matrix.FWC_VERSION}}" / fwc
+  - label: "{{matrix.FWC_VERSION}} / fwc"
     command: .ci/scripts/run-gradle.sh -Dbwc.checkout.align=true v$$FWC_VERSION#fwcTest -Dtests.bwc.snapshot=false
     timeout_in_minutes: 300
     agents: