chore(go): bump github.com/tektoncd/pipeline from 1.15.0 to 1.15.1

Bumps [github.com/tektoncd/pipeline](https://github.com/tektoncd/pipeline) from 1.15.0 to 1.15.1.
- [Release notes](https://github.com/tektoncd/pipeline/releases)
- [Changelog](https://github.com/tektoncd/pipeline/blob/main/releases.md)
- [Commits](tektoncd/pipeline@v1.15.0...v1.15.1)

---
updated-dependencies:
- dependency-name: github.com/tektoncd/pipeline
  dependency-version: 1.15.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/onsi/gomega v1.43.0
 	github.com/operator-framework/operator-lib v0.19.0
 	github.com/prometheus/client_golang v1.23.2
-	github.com/tektoncd/pipeline v1.15.0
+	github.com/tektoncd/pipeline v1.15.1
 	go.uber.org/zap v1.28.0
 	k8s.io/api v0.37.0
 	k8s.io/apimachinery v0.37.0

go.sum

@@ -161,8 +161,8 @@ github.com/stretchr/objx v0.5.3/go.mod h1:rDQraq+vQZU7Fde9LOZLr8Tax6zZvy4kuNKF+Q
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
-github.com/tektoncd/pipeline v1.15.0 h1:ZGboFUaEdpYurZWqeGT5rn9e6qmomGL/gLSKhHp2vvQ=
-github.com/tektoncd/pipeline v1.15.0/go.mod h1:HghtkZ1D9b91o0YiXABDUd+c2C6R4kbk+PumnHqs3Bk=
+github.com/tektoncd/pipeline v1.15.1 h1:eCGlMonJr7OhiLaaykO/+qXZv15eijswriT7JrLW9aQ=
+github.com/tektoncd/pipeline v1.15.1/go.mod h1:t2/vjjHPODK3hvx1OFgWVyo9Va/gGE1gR3o/beAsXKg=
 github.com/tidwall/gjson v1.18.0 h1:FIDeeyB800efLX89e5a8Y0BNH+LOngJyGrIWxG2FKQY=
 github.com/tidwall/gjson v1.18.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
 github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=