ci: Add extension workflow concurrency rules (#43930)

Release Notes:

- N/A

tooling/xtask/src/tasks/workflows/extensions/bump_version.rs

@@ -7,7 +7,7 @@ use indoc::indoc;
 use crate::tasks::workflows::{
     runners,
     steps::{NamedJob, named},
-    vars::{self, JobOutput, StepOutput},
+    vars::{self, JobOutput, StepOutput, one_workflow_per_non_main_branch_and_token},
 };
 
 pub(crate) fn bump_version() -> Workflow {
@@ -20,6 +20,7 @@ pub(crate) fn bump_version() -> Workflow {
         .on(Event::default()
             .push(Push::default().add_branch("main"))
             .pull_request(PullRequest::default().add_type(PullRequestType::Labeled)))
+        .concurrency(one_workflow_per_non_main_branch_and_token("labels"))
         .add_job(determine_bump_type.name, determine_bump_type.job)
         .add_job(call_bump_version.name, call_bump_version.job)
 }

tooling/xtask/src/tasks/workflows/extensions/run_tests.rs

@@ -2,14 +2,14 @@ use gh_workflow::{Event, Job, PullRequest, UsesJob, Workflow};
 
 use crate::tasks::workflows::{
     steps::{NamedJob, named},
-    vars::one_workflow_per_non_main_branch,
+    vars::one_workflow_per_non_main_branch_and_token,
 };
 
 pub(crate) fn run_tests() -> Workflow {
     let call_extension_tests = call_extension_tests();
     named::workflow()
         .on(Event::default().pull_request(PullRequest::default().add_branch("**")))
-        .concurrency(one_workflow_per_non_main_branch())
+        .concurrency(one_workflow_per_non_main_branch_and_token("pr"))
         .add_job(call_extension_tests.name, call_extension_tests.job)
 }
 

tooling/xtask/src/tasks/workflows/vars.rs

@@ -80,8 +80,18 @@ pub fn bundle_envs(platform: Platform) -> Env {
 }
 
 pub fn one_workflow_per_non_main_branch() -> Concurrency {
+    one_workflow_per_non_main_branch_and_token("")
+}
+
+pub fn one_workflow_per_non_main_branch_and_token<T: AsRef<str>>(token: T) -> Concurrency {
     Concurrency::default()
-        .group("${{ github.workflow }}-${{ github.ref_name }}-${{ github.ref_name == 'main' && github.sha || 'anysha' }}")
+        .group(format!(
+            concat!(
+                "${{{{ github.workflow }}}}-${{{{ github.ref_name }}}}-",
+                "${{{{ github.ref_name == 'main' && github.sha || 'anysha{}' }}}}"
+            ),
+            token.as_ref()
+        ))
         .cancel_in_progress(true)
 }