chore: update python post processor base image

Source-Link: googleapis/synthtool@fe77438
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest@sha256:84adf917cad8f48c61227febebae7af619882d7c8863d6ab6290a77d45a372cf

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: sha256:1d7c29870723d4d2e32870c6dcdc43d4aa93dcc6519272d025bfcf2ecd48f091
-# created: 2025-08-14T17:16:30.591542591Z
+  digest: sha256:84adf917cad8f48c61227febebae7af619882d7c8863d6ab6290a77d45a372cf
+# created: 2025-09-10T20:42:34.536728816Z

.github/workflows/issues-no-repro.yaml

@@ -11,12 +11,12 @@ jobs:
       pull-requests: write
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v4
         with:
           node-version: 18
       - run: npm install
         working-directory: ./.github/scripts
-      - uses: actions/github-script@v8
+      - uses: actions/github-script@v7
         with:
           script: |
             const script = require('./.github/scripts/close-invalid-link.cjs')

.github/workflows/response.yaml

@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/github-script@v8
+      - uses: actions/github-script@v7
         with:
           script: |
             const script = require('./.github/scripts/close-unresponsive.cjs')
@@ -28,7 +28,7 @@ jobs:
       pull-requests: write
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/github-script@v8
+      - uses: actions/github-script@v7
         with:
           script: |
             const script = require('./.github/scripts/remove-response-label.cjs')