chore(deps): update actions/cache action to v4

.github/workflows/bazel.yml

@@ -32,7 +32,7 @@ jobs:
         run: echo "${{ secrets.PRIVATE_GPG_KEY }}" | gpg2 --import
       - run: gpg2 --list-secret-keys
       - name: Mount bazel cache  # Optional
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           # needs to be an absolute path, not a variable; I've made it match TEST_TMPDIR above
           path: /tmp/bazel

.github/workflows/cron-bump-requirements.yml

@@ -1,41 +1,47 @@
 name: Bump python requirements
+env:
+  HOMEBREW_NO_AUTO_UPDATE: 1
+  # typically used for bazel internal testing: changes outputRoot, sets idletimeout to ~15s
+  TEST_TMPDIR: /tmp/bazel
+
 on:
   schedule:
-    - cron: '30 5 15 * *' # 15th of every month, 05:30
-  push:
-    branches:
-      - 'feat/cron-bump-python-requirements'
-
+    #- cron: '30 5 15 * *' # 15th of every month, 05:30
+    #- cron: '30 5 * 6 *' # Satuday every week, 05:30
+    - cron: '30 14 * * *' 
+
 jobs:
   create-pull-request:
     runs-on: ubuntu-latest
     permissions:
-      - contents: write
-      - pull-requests: write
+      contents: write
+      pull-requests: write
     steps:
       - uses: actions/checkout@v4
         # action runners have bazelisk: https://github.com/bazelbuild/bazel/issues/11062
       - run: mkdir -p "${TEST_TMPDIR}"
       - name: Mount bazel cache  # Optional
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           # needs to be an absolute path, not a variable; I've made it match TEST_TMPDIR above
           path: /tmp/bazel
           key: _bazel_runner
       - name: Update requirements
         # https://stackoverflow.com/questions/68057744/create-pull-request-with-github-action
         run: |
-            bazel run //lib/python:requirements.update
+            bazel run //lib/python:requirements.update || true
             bazel run //lib/python:vendor_requirements
       - name: Create Pull Request
         uses: peter-evans/[email protected]
         with:
-          add-paths: lib/python/*
+          add-paths: |
+            lib/python/*.txt
+            lib/gen/*.bzl
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: 'chore: bump python requirements'
           title: 'Bump Python Requirements'
           body: >
-            This PR is auto-generated by 
+            This PR is auto-generated by
             [create-pull-request](https://github.com/peter-evans/create-pull-request).
           labels: dependencies
           branch: chore/bump-python-requirements