update changelog

changelog/fragments/1697565877-progress-race-fixes.yaml

@@ -11,7 +11,7 @@
 kind: bug-fix
 
 # Change summary; a 80ish characters long description of the change.
-summary: Add mutexes and flags to prevent flaky tests in progess tracker
+summary: Use third-party library for tracking progress in install/uninstall
 
 # Long description; in case the summary is not enough to describe the change
 # this field accommodate a description without length limits.
@@ -25,7 +25,7 @@ component: progress tracker
 # If not present is automatically filled by the tooling finding the PR where this changelog fragment has been added.
 # NOTE: the tooling supports backports, so it's able to fill the original PR number instead of the backport PR number.
 # Please provide it if you are adding a fragment for a different PR.
-#pr: https://github.com/owner/repo/1234
+pr: https://github.com/elastic/elastic-agent/pull/3623
 
 # Issue URL; optional; the GitHub issue related to this changeset (either closes or is part of).
 # If not present is automatically filled by the tooling with the issue linked to the PR number.