Pin cloud build image to latest.

Author: jnthntatum

.bazelversion

@@ -1 +1 @@
-7.3.2
+8.4.2

Dockerfile

@@ -1,6 +1,7 @@
 FROM gcr.io/cloud-marketplace/google/ubuntu2204:latest
 
 # minimal dependencies for getting bazel/bazelisk
+# tzdata needed for some conformance tests.
 RUN apt-get update && apt-get upgrade -y && \
      DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
       build-essential \
@@ -30,10 +31,5 @@ RUN apt-get install /tmp/bazelisk.deb
 RUN mkdir -p /workspace
 RUN mkdir -p /bazel
 
-# cache bazel versions that we might test against.
-RUN USE_BAZEL_VERSION=8.4.2 bazelisk
-RUN USE_BAZEL_VERSION=7.3.2 bazelisk
-RUN USE_BAZEL_VERSION=7.7.1 bazelisk
-
 # note: /usr/bin/bazel is also a symlink to bazelisk
 ENTRYPOINT ["/usr/bin/bazelisk"]

cloudbuild.yaml

@@ -24,7 +24,7 @@ steps:
         - name: 'golang:1.23.0'
           # check the integrity of the vendor directory
           args: ['scripts/verify-vendor.sh']
-        - name: 'gcr.io/cel-analysis/cel-go-bazelisk'
+        - name: 'gcr.io/cel-analysis/cel-go-bazelisk:latest'
           entrypoint: bazel
           args:
           - 'test'