Bump express from 4.19.2 to 4.21.0

Bumps [express](https://github.com/expressjs/express) from 4.19.2 to 4.21.0.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/4.21.0/History.md)
- [Commits](https://github.com/expressjs/express/compare/4.19.2...4.21.0)

---
updated-dependencies:
- dependency-name: express
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

src/graphs.py

@@ -5,7 +5,7 @@ import pyshark
 import pandas as pd
 import matplotlib.pyplot as plt
 
-max_packets = 1000
+max_packets = 10000
 trace_files = ["bedrock-60s", "java-60s"]
 
 metrics_dict = {
@@ -84,9 +84,8 @@ metrics_df_all = pd.DataFrame(metrics_dict)
 test_labels = {"java-60s": "Java (60s)", "bedrock-60s": "Bedrock (60s)"}
 
 # Gráfico do total de pacotes
-total_packets_values = [5000, 3000] 
 plt.figure(figsize=(12, 6))
-plt.bar(trace_files, total_packets_values)
+metrics_df_all.plot(kind="bar", x="test_name", y="total_packets", legend=False)
 plt.title("Total de Pacotes por Teste")
 plt.xlabel("Teste")
 plt.ylabel("Total de Pacotes")