deps: Update python dependencies for kokoro (#272)

Author: renovate-bot

.kokoro/requirements.txt

@@ -214,9 +214,9 @@ google-api-core==2.12.0 \
  # via
  # google-cloud-core
  # google-cloud-storage
-google-auth==2.23.3 \
- --hash=sha256:6864247895eea5d13b9c57c9e03abb49cb94ce2dc7c58e91cba3248c7477c9e3 \
- --hash=sha256:a8f4608e65c244ead9e0538f181a96c6e11199ec114d41f1d7b1bffa96937bda
+google-auth==2.23.4 \
+ --hash=sha256:79905d6b1652187def79d491d6e23d0cbb3a21d3c7ba0dbaa9c8a01906b13ff3 \
+ --hash=sha256:d4bbc92fe4b8bfd2f3e8d88e5ba7085935da208ee38a134fc280e7ce682a05f2
  # via
  # gcp-releasetool
  # google-api-core
@@ -226,9 +226,9 @@ google-cloud-core==2.3.3 \
  --hash=sha256:37b80273c8d7eee1ae816b3a20ae43585ea50506cb0e60f3cf5be5f87f1373cb \
  --hash=sha256:fbd11cad3e98a7e5b0343dc07cb1039a5ffd7a5bb96e1f1e27cee4bda4a90863
  # via google-cloud-storage
-google-cloud-storage==2.12.0 \
- --hash=sha256:57c0bcda2f5e11f008a155d8636d8381d5abab46b58e0cae0e46dd5e595e6b46 \
- --hash=sha256:bc52563439d42981b6e21b071a76da2791672776eda3ba99d13a8061ebbd6e5e
+google-cloud-storage==2.13.0 \
+ --hash=sha256:ab0bf2e1780a1b74cf17fccb13788070b729f50c252f0c94ada2aae0ca95437d \
+ --hash=sha256:f62dc4c7b6cd4360d072e3deb28035fbdad491ac3d9b0b1815a12daea10f37c7
  # via gcp-docuploader
 google-crc32c==1.5.0 \
  --hash=sha256:024894d9d3cfbc5943f8f230e23950cd4906b2fe004c72e29b209420a1e6b05a \