[Security] Bump urllib3 from 1.24.2 to 1.26.5

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.24.2 to 1.26.5. **This update includes security fixes.**
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.24.2...1.26.5)

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

requirements.txt

@@ -10,9 +10,9 @@ idna==2.6 \
 requests==2.20.0 \
     --hash=sha256:99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c \
     --hash=sha256:a84b8c9ab6239b578f22d1c21d51b696dcfe004032bb80ea832398d6909d7279
-urllib3==1.24.2 \
-    --hash=sha256:4c291ca23bbb55c76518905869ef34bdd5f0e46af7afe6861e8375643ffee1a0 \
-    --hash=sha256:9a247273df709c4fedb38c711e44292304f73f39ab01beda9f6b9fc375669ac3
+urllib3==1.26.5 \
+    --hash=sha256:753a0374df26658f99d826cfe40394a686d05985786d946fbe4165b5148f5a7c \
+    --hash=sha256:a7acd0977125325f516bda9735fa7142b909a8d01e8b2e4c8108d0984e6e0098
 mozautomation==0.1 \
     --hash=sha256:488391253a8b0a6835552c591af8178fd8d97b1aef6ee702e831a886b72534c7
 click==6.7 \