Bump urllib3 from 2.2.1 to 2.2.2 in /oak_ml_transparency/mnist

Bumps [urllib3](https://github.com/urllib3/urllib3) from 2.2.1 to 2.2.2.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.2.1...2.2.2)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

oak_ml_transparency/mnist/requirements.txt

@@ -938,9 +938,9 @@ typing-extensions==4.12.0 \
     # via
     #   optree
     #   tensorflow
-urllib3==2.2.1 \
-    --hash=sha256:450b20ec296a467077128bff42b73080516e71b56ff59a60a02bef2232c4fa9d \
-    --hash=sha256:d0570876c61ab9e520d776c38acbbb5b05a776d3f9ff98a5c8fd5162a444cf19
+urllib3==2.2.2 \
+    --hash=sha256:a448b2f64d686155468037e1ace9f2d2199776e17f0a46610480d311f73e3472 \
+    --hash=sha256:dd505485549a7a552833da5e6063639d0d177c04f23bc3864e41e5dc5f612168
     # via requests
 werkzeug==3.0.3 \
     --hash=sha256:097e5bfda9f0aba8da6b8545146def481d06aa7d3266e7448e2cccf67dd8bd18 \
@@ -1024,5 +1024,6 @@ wrapt==1.16.0 \
     # via tensorflow
 
 # WARNING: The following packages were not pinned, but pip requires them to be
-# pinned when the requirements file includes hashes. Consider using the --allow-unsafe flag.
+# pinned when the requirements file includes hashes and the requirement is not
+# satisfied by a package already installed. Consider using the --allow-unsafe flag.
 # setuptools