switch markdownlint container to markdownlint-cli2

Signed-off-by: Tuomo Tanskanen <tuomo.tanskanen@est.tech>

.markdownlint-cli2.yaml

@@ -0,0 +1,12 @@
+# TODO: Kramdown wanted us to have 3, tho this CLI recommends 2 or 4
+# TODO: Fix markdownlint issues
+config:
+  ul-indent:
+    indent: 3
+  MD012: false
+  MD013: false
+  MD036: false
+  MD041: false
+
+# Don't autofix anything, we're linting here
+fix: false

hack/markdownlint.sh

@@ -1,31 +1,18 @@
-#!/bin/bash
-
-# TODO:
-# Fix these two failures in future commit, and remove the ignore rules
-#
-# Further documentation is available for these failures:
-# - MD029: https://github.com/markdownlint/markdownlint/blob/main/docs/RULES.md#md029---ordered-list-item-prefix
-# - MD013: https://github.com/markdownlint/markdownlint/blob/main/docs/RULES.md#md013---line-length
+#!/bin/sh
 
 set -eux
 
-IS_CONTAINER=${IS_CONTAINER:-false}
+IS_CONTAINER="${IS_CONTAINER:-false}"
 CONTAINER_RUNTIME="${CONTAINER_RUNTIME:-podman}"
 
 if [ "${IS_CONTAINER}" != "false" ]; then
-  TOP_DIR="${1:-.}"
-  find "${TOP_DIR}" \
-       \( -path ./vendor -o -path ./.github \) \
-      -prune -o -name '*.md' -exec \
-      mdl --style all --warnings \
-      --rules "~MD013,~MD029" \
-      {} \+
+    markdownlint-cli2 "**/*.md" "#node_modules"
 else
-  "${CONTAINER_RUNTIME}" run --rm \
-    --env IS_CONTAINER=TRUE \
-    --volume "${PWD}:/workdir:ro,z" \
-    --entrypoint sh \
-    --workdir /workdir \
-    docker.io/pipelinecomponents/markdownlint:0.13.0@sha256:9c0cdfb64fd3f1d3bdc5181629b39c2e43b6a52fc9fdc146611e1860845bbae0 \
-    /workdir/hack/markdownlint.sh "$@"
+    "${CONTAINER_RUNTIME}" run --rm \
+        --env IS_CONTAINER=TRUE \
+        --volume "${PWD}:/workdir:ro,z" \
+        --entrypoint sh \
+        --workdir /workdir \
+        docker.io/pipelinecomponents/markdownlint-cli2:0.8.1@sha256:7f85faca10c33e9104e0e461c2a1d59a997a52b22358548dd7975498c8311928 \
+        /workdir/hack/markdownlint.sh "$@"
 fi