build-unit-test-docker:eslint: pin to v8.56.0
The new v9.0 release change the API and our existing use of it no longer
works with an error like this:
```
Invalid option '--eslintrc' - perhaps you meant '--ignore'?
```
Until we have some time to sort this out, move us back to the previous
release.
Change-Id: Ieed62b82bb3870c22bb377f562fb75b148395cee
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index a34552c..ca93b0f 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -870,7 +870,7 @@
requests
RUN npm install -g \
- eslint@latest eslint-plugin-json@latest \
+ eslint@v8.56.0 eslint-plugin-json@latest \
markdownlint-cli@latest \
prettier@latest
"""