chore: bump pip in nodejs Dockerfile (googleapis#3893)

* chore: bump pip in nodejs Dockerfile

* feat: wip

* typo

* revert

Source-Link: googleapis/synthtool@3c359d1
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest@sha256:5ef945dd0b346b78caabeaf973467273a31394c074f5ec3f85cb66769036bab5

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

.github/.OwlBot.lock.yaml

@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest
-  digest: sha256:af20ac5b4436ce795d73c14148e21e574fa3672bec00db3d054062797a424bd6
-# created: 2026-02-05T18:52:32.559039704Z
+  digest: sha256:5ef945dd0b346b78caabeaf973467273a31394c074f5ec3f85cb66769036bab5
+# created: 2026-02-12T15:40:42.386984339Z