Upgrade guava to 32.1-jre

Also update closure-template:soy to a new release: 2022-07-20.

New version of closure-template:soy depends on flogger:google-extensions
artifact, that is added here.

Change-Id: Icacbf6aee00d35d2ec6829ac2cd5e04437702435

.zuul.yaml

diff --git a/.zuul.yaml b/.zuul.yaml
new file mode 100644
index 0000000..0758980
--- /dev/null
+++ b/.zuul.yaml
@@ -0,0 +1,4 @@
+- project:
+    check:
+      jobs:
+        - gitiles-build