[ci] Don't restart tests and pre-commit checks when PR is labeled

I labeled my PR and CI was re-started, so now I have to wait even more.
We have no labels governing CI, so there's no reason to restart it on `labeled`.

Signed-off-by: Nick Volynkin <nick.volynkin@gmail.com>

.github/workflows/pre-commit.yml

@@ -2,7 +2,7 @@ name: Pre-Commit Checks
 
 on:
   pull_request:
-    types: [labeled, opened, synchronize, reopened]
+    types: [opened, synchronize, reopened]
 
 concurrency:
   group: pre-commit-${{ github.workflow }}-${{ github.event.pull_request.number }}

.github/workflows/pull-requests.yaml

@@ -2,7 +2,7 @@ name: Pull Request
 
 on:
   pull_request:
-    types: [labeled, opened, synchronize, reopened]
+    types: [opened, synchronize, reopened]
     paths-ignore:
       - 'docs/**/*'