fix links

src/pentesting-cloud/gcp-security/gcp-post-exploitation/gcp-cloud-functions-post-exploitation.md

@@ -101,7 +101,7 @@ def injection():
 
         # Get relevant function names
         handler_fname = os.environ.get("FUNCTION_TARGET") # Cloud Function env variable indicating the name of the function to habdle requests
-        source_path = os.environ.get("FUNCTION_SOURCE", "./main.py") # Path to the source file of the Cloud Function (./main.py by default)
+        source_path = os.environ.get("FUNCTION_SOURCE", "./main.py") # Path to the source file of the Cloud Function (main.py by default)
         realpath = os.path.realpath(source_path) # Get full path
 
         # Get the modules representations