Add filter to include/exclude tags

[Added]
- Introduced a tag filter feature allowing users to specify whether tags should be included or excluded in time entry filters. This supports 'contains' and 'not_contains' modes.

app/Http/Requests/V1/Report/ReportStoreRequest.php

@@ -124,6 +124,11 @@ class ReportStoreRequest extends BaseFormRequest
                     }
                 },
             ],
+            'properties.tag_filter' => [
+                'nullable',
+                'string',
+                'in:'.TimeEntryFilter::TAG_FILTER_CONTAINS.','.TimeEntryFilter::TAG_FILTER_NOT_CONTAINS,
+            ],
             'properties.task_ids' => [
                 'nullable',
                 'array',