Bug fix: use heximal SHA256 hash instead of bytes (repr)

integrations.gitea.middlewares.signature.GiteaSignatureMiddleware.dispatch
used the Python bytes representation of the SHA256 hash for comparision
in the f-string. Now, the hexadecimal hash is used.

src/jcloud_deployment_server/integrations/gitea/middlewares/signature.py

@@ -54,7 +54,7 @@ class GiteaSignatureMiddleware(BaseHTTPMiddleware):
                     self.secret,
                     body,
                     hashlib.sha256
-                ).digest()}',
+                ).hexdigest()}',
                 signature
             ):
                 raise HTTPException(status_code = 401, detail = 'Invalid signature')