tighten log failure level to warn when building production site

.github/workflows/publish-site.yml

@@ -49,9 +49,6 @@ jobs:
         # must set ANTORA_CACHE_DIR so Maven will put jetty home where Antora Collector won't delete it
         ANTORA_CACHE_DIR: ${{ github.workspace }}/.cache/antora
         npm_config_audit: false
-      #run: |
-      #  npm --audit false --fund false --omit optional --package-lock false i
-      #  npx --offline antora --stacktrace --extension @antora/collector-extension --extension @antora/lunr-extension --extension jetty-downloads --extension register-asciidoctor-kroki --html-url-extension-style indexify --log-failure-level error antora-playbook.yml
       run: mvn -ntp antora:antora@full
     - name: Upload Artifact
       uses: actions/upload-pages-artifact@v3

antora-playbook.yml

@@ -21,7 +21,7 @@
 # which is equivalent to:
 #
 #  npm i --package-lock false
-#  ANTORA_CACHE_DIR=$PWD/.cache/antora npx --offline antora --clean --fetch --extension @antora/collector-extension --extension @antora/lunr-extension --extension jetty-downloads --extension register-asciidoctor-kroki --log-failure-level error --stacktrace antora-playbook.yml
+#  ANTORA_CACHE_DIR=$PWD/.cache/antora npx --offline antora --clean --fetch --extension @antora/collector-extension --extension @antora/lunr-extension --extension jetty-downloads --extension register-asciidoctor-kroki --log-failure-level warn --stacktrace antora-playbook.yml
 antora:
   extensions:
   - ./lib/component-url-prefix-extension.js

pom.xml

@@ -68,7 +68,7 @@
                 <option>extension[] @antora/lunr-extension</option>
                 <option>extension[] jetty-downloads</option>
                 <option>extension[] register-asciidoctor-kroki</option>
-                <option>log-failure-level error</option>
+                <option>log-failure-level warn</option>
                 <option>stacktrace</option>
               </additionalOptions>
             </configuration>