pySCG README filename typo fix CWE-390 (#845)

Signed-off-by: Helge Wehder <[email protected]>

Author: myteron

docs/Secure-Coding-Guide-for-Python/CWE-703/CWE-390/REAME.md renamed to docs/Secure-Coding-Guide-for-Python/CWE-703/CWE-390/README.md

@@ -86,7 +86,7 @@ It is __not production code__ and requires code-style or python best practices t
 |[CWE-703: Improper Check or Handling of Exceptional Conditions](https://cwe.mitre.org/data/definitions/703.html)|Prominent CVE|
 |:----------------------------------------------------------------|:----|
 |[CWE-230: Improper Handling of Missing Values](CWE-703/CWE-230/.)||
-|[CWE-390: Detection of Error Condition without Action](CWE-703/CWE-390/)||
+|[CWE-390: Detection of Error Condition without Action](CWE-703/CWE-390/README.md)||
 |[CWE-392: Missing Report of Error Condition](CWE-703/CWE-392/README.md)||
 |[CWE-754: Improper Check for Unusual or Exceptional Conditions](CWE-703/CWE-754/.)||
 |[CWE-755: Improper Handling of Exceptional Conditions](CWE-703/CWE-755/README.md)|[CVE-2024-39560](https://www.cvedetails.com/cve/CVE-2024-39560),<br/>CVSSv3.1: __6.5__,<br/>EPSS: __0.04__ (01.11.2024)|