Merge pull request #1177 from google/dependabot/pip/dot-github/workflows/requirements/urllib3-2.6.3

Bump urllib3 from 2.6.0 to 2.6.3 in /.github/workflows/requirements

Author: taku910

.github/workflows/requirements/base.txt

@@ -346,9 +346,9 @@ twine==6.1.0 \
     --hash=sha256:a47f973caf122930bf0fbbf17f80b83bc1602c9ce393c7845f289a3001dc5384 \
     --hash=sha256:be324f6272eff91d07ee93f251edf232fc647935dd585ac003539b42404a8dbd
     # via -r base.in
-urllib3==2.6.0 \
-    --hash=sha256:c90f7a39f716c572c4e3e58509581ebd83f9b59cced005b7db7ad2d22b0db99f \
-    --hash=sha256:cb9bcef5a4b345d5da5d145dc3e30834f58e8018828cbc724d30b4cb7d4d49f1
+urllib3==2.6.3 \
+    --hash=sha256:1b62b6884944a57dbe321509ab94fd4d3b307075e0c2eae991ac71ee15ad38ed \
+    --hash=sha256:bf272323e553dfb2e87d9bfd225ca7b0f467b919d7bbd355436d3fd37cb0acd4
     # via
     #   requests
     #   twine