chore(deps): update module github.com/elastic/crd-ref-docs to v0.3.0 (#1036)

* chore(deps): update module github.com/elastic/crd-ref-docs to v0.3.0

* regen docs

* the reason string changed apparently so check http code

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Ashley Dumaine <adumaine@akamai.com>

Author: renovate[bot]

Makefile

@@ -372,7 +372,7 @@ CTLPTL_VERSION           ?= v0.9.0
 CLUSTERCTL_VERSION       ?= v1.12.3
 
 # renovate: datasource=go depName=github.com/elastic/crd-ref-docs
-CRD_REF_DOCS_VERSION     ?= v0.2.0
+CRD_REF_DOCS_VERSION     ?= v0.3.0
 
 # renovate: datasource=github-tags depName=kubernetes/kubernetes
 KUBECTL_VERSION          ?= v1.35.1