chore(deps): update dependency urllib3 to v2.6.0

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

src/akamai_cache_buster/requirements.txt

@@ -1,4 +1,4 @@
 PyYAML==6.0.2
 requests==2.32.3
-urllib3==2.4.0
+urllib3==2.6.0