Ignore .camel-jbang directories in docs gulp build

The gulp glob pattern dsl/**/src/main/docs/*.adoc scans recursively
through the dsl/ tree, racing with camel-jbang-core tests that
create/delete .camel-jbang/work directories. Add .camel-jbang to the
ignore list alongside target to prevent ENOENT errors.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: gnodet

docs/gulpfile.js

@@ -326,7 +326,18 @@ const tasks = Array.from(sourcesMap).flatMap(([type, definition]) => {
       }
     })
 
-    return gulp.src(source, { ignore: ['**/target/**'] })
+    const stream = gulp.src(source, { ignore: ['**/target/**', '**/.camel-jbang/**'], allowEmpty: true })
+    // Ignore ENOENT errors from ephemeral directories (e.g. target/ temp dirs
+    // created/deleted by tests running in parallel via mvnd)
+    stream.on('error', (err) => {
+      if (err.code === 'ENOENT') {
+        console.warn(`⚠️ Ignoring ENOENT during glob scan: ${err.path}`)
+        stream.emit('end')
+      } else {
+        stream.destroy(err)
+      }
+    })
+    return stream
       .pipe(filterFn)
       .pipe(
         map((file, done) => {
@@ -409,7 +420,16 @@ const tasks = Array.from(sourcesMap).flatMap(([type, definition]) => {
       return done()
     }
 
-    return gulp.src(source, { ignore: ['**/target/**'] }) // asciidoc files
+    const stream = gulp.src(source, { ignore: ['**/target/**', '**/.camel-jbang/**'], allowEmpty: true }) // asciidoc files
+    stream.on('error', (err) => {
+      if (err.code === 'ENOENT') {
+        console.warn(`⚠️ Ignoring ENOENT during glob scan: ${err.path}`)
+        stream.emit('end')
+      } else {
+        stream.destroy(err)
+      }
+    })
+    return stream
       .pipe(through2.obj(extractExamples)) // extracted example files
       // symlink links from a fixed directory, i.e. we could link to
       // the example files from `destination`, that would not work for