Updated dependencies and propagated pySigma Splunk backend fix

Author: thomaspatzke

poetry.lock

@@ -4,12 +4,12 @@
 def test_convert_output_list():
     cli = CliRunner()
     result = cli.invoke(convert, ["-t", "splunk", "-p", "sysmon", "tests/files"])
-    assert 'EventID=1 ParentImage="*\httpd.exe" Image="*\cmd.exe"' in result.stdout
+    assert 'EventID=1 ParentImage="*\\\\httpd.exe" Image="*\\\\cmd.exe"' in result.stdout
 
 def test_convert_output_str():
     cli = CliRunner()
     result = cli.invoke(convert, ["-t", "splunk", "-p", "sysmon", "-f", "savedsearches", "tests/files"])
-    assert 'EventID=1 ParentImage="*\httpd.exe" Image="*\cmd.exe"' in result.stdout
+    assert 'EventID=1 ParentImage="*\\\\httpd.exe" Image="*\\\\cmd.exe"' in result.stdout
 
 def test_convert_unknown_format():
     cli = CliRunner()