build: add auto-approve to Node libraries (#1100) (#124)

* build: add auto-approve to Node libraries

Co-authored-by: Benjamin E. Coe <bencoe@google.com>
Source-Link: googleapis/synthtool@5cae043
Post-Processor: gcr.io/repo-automation-bots/owlbot-nodejs:latest@sha256:65aa68f2242c172345d7c1e780bced839bfdc344955d6aa460aa63b4481d93e5

Author: gcf-owl-bot[bot]

.github/.OwlBot.lock.yaml

@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-nodejs:latest
-  digest: sha256:14aaee566d6fc07716bb92da416195156e47a4777e7d1cd2bb3e28c46fe30fe2
+  digest: sha256:65aa68f2242c172345d7c1e780bced839bfdc344955d6aa460aa63b4481d93e5

.github/auto-approve.yml

@@ -1,16 +1,7 @@
 rules:
 - author: "release-please[bot]"
-
-# Title for PRs from yoshi-code-bot MUST start with `chore: release`.
   title: "^chore: release"
-
-# (Optional) The only changed file paths in an incoming PR MUST end with `package.json` or 
-# `CHANGELOG.md`. These are listed in regex. If this property 
-# is omitted, auto-approve bot will allow PRs that match the author and title to merge, without
-# checking the file paths. 
   changedFiles:
   - "package\\.json$"
   - "CHANGELOG\\.md$"
-
-# (Optional) The max amount of files changed in a PR. 
   maxFiles: 3

.kokoro/release/docs-devsite.cfg

@@ -20,7 +20,8 @@ required_envvars+=(
 
 # Add env vars which are passed down into the container here.
 pass_down_envvars+=(
-    "AUTORELEASE_PR"
+    "AUTORELEASE_PR",
+    "VERSION"
 )
 
 # Prevent unintentional override on the default image.