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 +326,7 @@ const tasks = Array.from(sourcesMap).flatMap(([type, definition]) => {
       }
     })
 
-    return gulp.src(source, { ignore: ['**/target/**'] })
+    return gulp.src(source, { ignore: ['**/target/**', '**/.camel-jbang/**'] })
       .pipe(filterFn)
       .pipe(
         map((file, done) => {
@@ -409,7 +409,7 @@ const tasks = Array.from(sourcesMap).flatMap(([type, definition]) => {
       return done()
     }
 
-    return gulp.src(source, { ignore: ['**/target/**'] }) // asciidoc files
+    return gulp.src(source, { ignore: ['**/target/**', '**/.camel-jbang/**'] }) // asciidoc files
       .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