community: adds support for getting github releases for the configured repository (#29318)

**Description:** adds support for github tool to query github releases
on the configure respository
**Issue:** N/A
**Dependencies:** N/A
**Twitter handle:** @macsdickinson

---------

Co-authored-by: Chester Curme <chester.curme@gmail.com>

libs/community/tests/unit_tests/agent_toolkits/test_github_toolkit.py

@@ -0,0 +1,26 @@
+from unittest.mock import MagicMock
+
+from langchain_community.agent_toolkits.github.toolkit import GitHubToolkit
+from langchain_community.utilities.github import GitHubAPIWrapper
+
+
+def test_github_toolkit() -> None:
+    # Create a mock GitHub wrapper with required attributes
+    mock_github = MagicMock(spec=GitHubAPIWrapper)
+    mock_github.github_repository = "fake/repo"
+    mock_github.github_app_id = "fake_id"
+    mock_github.github_app_private_key = "fake_key"
+    mock_github.active_branch = "main"
+    mock_github.github_base_branch = "main"
+
+    # Test without release tools
+    toolkit = GitHubToolkit.from_github_api_wrapper(mock_github)
+    tools = toolkit.get_tools()
+    assert len(tools) == 21  # Base number of tools
+
+    # Test with release tools
+    toolkit_with_releases = GitHubToolkit.from_github_api_wrapper(
+        mock_github, include_release_tools=True
+    )
+    tools_with_releases = toolkit_with_releases.get_tools()
+    assert len(tools_with_releases) == 24  # Base tools + 3 release tools