github, microbench-ci: skip perf check if label is present

If the 'X-skip-perf-check' label is present, skip the performance check.

Epic: None
Release note: None

Author: herkolategan

.github/workflows/microbenchmarks-ci.yaml

@@ -19,6 +19,7 @@ jobs:
     name: build merge base
     runs-on: [self-hosted, basic_runner_group]
     timeout-minutes: 30
+    if: ${{ !contains(github.event.pull_request.labels.*.name, 'X-skip-perf-check') }}
     outputs:
       merge_base: ${{ steps.build.outputs.merge_base }}
     steps:
@@ -34,6 +35,7 @@ jobs:
     name: build head
     runs-on: [self-hosted, basic_runner_group]
     timeout-minutes: 30
+    if: ${{ !contains(github.event.pull_request.labels.*.name, 'X-skip-perf-check') }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4