chore(deps): update dependency google-auth to v2.42.0

Author: renovate-bot

requirements.txt

@@ -155,9 +155,9 @@ google-api-core[grpc]==2.26.0 \
     # via
     #   google-cloud-core
     #   google-cloud-spanner
-google-auth==2.41.1 \
-    --hash=sha256:754843be95575b9a19c604a848a41be03f7f2afd8c019f716dc1f51ee41c639d \
-    --hash=sha256:b76b7b1f9e61f0cb7e88870d14f6a94aeef248959ef6992670efee37709cbfd2
+google-auth==2.42.0 \
+    --hash=sha256:9bbbeef3442586effb124d1ca032cfb8fb7acd8754ab79b55facd2b8f3ab2802 \
+    --hash=sha256:f8f944bcb9723339b0ef58a73840f3c61bc91b69bf7368464906120b55804473
     # via
     #   google-api-core
     #   google-cloud-core