chore(deps): update kokoro dependencies

Author: renovate-bot

.kokoro/requirements.txt

@@ -169,9 +169,9 @@ gcp-releasetool==2.6.0 \
     --hash=sha256:3a3d3940bae9158ad17d77beaee3167d70b433aec2be26fb1cd3e00c0a83bf04 \
     --hash=sha256:bb65b1c4c14fb7acafba7feb002729575f5ae85863fe8120ea9448ba7cf3aedc
     # via -r requirements.in
-google-api-core==2.24.1 \
-    --hash=sha256:bc78d608f5a5bf853b80bd70a795f703294de656c096c0968320830a4bc280f1 \
-    --hash=sha256:f8b36f5456ab0dd99a1b693a40a31d1e7757beea380ad1b38faaf8941eae9d8a
+google-api-core==2.24.2 \
+    --hash=sha256:810a63ac95f3c441b7c0e43d344e372887f62ce9071ba972eacf32672e072de9 \
+    --hash=sha256:81718493daf06d96d6bc76a91c23874dbf2fac0adbbf542831b805ee6e974696
     # via
     #   google-cloud-core
     #   google-cloud-storage
@@ -183,9 +183,9 @@ google-auth==2.38.0 \
     #   google-api-core
     #   google-cloud-core
     #   google-cloud-storage
-google-cloud-core==2.4.2 \
-    --hash=sha256:7459c3e83de7cb8b9ecfec9babc910efb4314030c56dd798eaad12c426f7d180 \
-    --hash=sha256:a4fcb0e2fcfd4bfe963837fad6d10943754fd79c1a50097d68540b6eb3d67f35
+google-cloud-core==2.4.3 \
+    --hash=sha256:1fab62d7102844b278fe6dead3af32408b1df3eb06f5c7e8634cbd40edc4da53 \
+    --hash=sha256:5130f9f4c14b4fafdff75c79448f9495cfade0d8775facf1b09c3bf67e027f6e
     # via google-cloud-storage
 google-cloud-storage==3.1.0 \
     --hash=sha256:944273179897c7c8a07ee15f2e6466a02da0c7c4b9ecceac2a26017cb2972049 \