chore(deps): update dependency requests to v2.32.4 [security]

Author: renovate-bot

.kokoro/docker/docs/requirements.txt

@@ -239,9 +239,9 @@ pyasn1-modules==0.4.1 \
     --hash=sha256:49bfa96b45a292b711e986f222502c1c9a5e1f4e568fc30e2574a6c7d07838fd \
     --hash=sha256:c28e2dbf9c06ad61c71a075c7e0f9fd0f1b0bb2d2ad4377f240d33ac2ab60a7c
     # via google-auth
-requests==2.32.3 \
-    --hash=sha256:55365417734eb18255590a9ff9eb97e9e1da868d4ccd6402399eaf68af20a760 \
-    --hash=sha256:70761cfe03c773ceb22aa2f671b4757976145175cdfca038c02654d061d6dcc6
+requests==2.32.4 \
+    --hash=sha256:27babd3cda2a6d50b30443204ee89830707d396671944c998b5975b031ac2b2c \
+    --hash=sha256:27d0316682c8a29834d3264820024b62a36942083d52caf2f14c0591336d3422
     # via
     #   google-api-core
     #   google-cloud-storage