Bumping hugo version due to memory issue

Author: rossops

.github/workflows/validate_docs_build.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@75d2e84710de30f6ff7268e08f310b60ef14033f # v3.0.0
         with:
-          hugo-version: '0.153.0' # renovate: datasource=github-releases depName=gohugoio/hugo
+          hugo-version: '0.153.1' # renovate: datasource=github-releases depName=gohugoio/hugo
           extended: true
 
       - name: Setup Node
@@ -38,5 +38,4 @@ jobs:
         env:
           HUGO_ENVIRONMENT: production
           HUGO_ENV: production
-          HUGO_MEMORYLIMIT: 6
         run: cd docs && npm ci && hugo --minify --gc --config config/production/hugo.toml