Attempt to fix bazelbuild#17070

2-part issue:
1. Doc references l.gcr.io/google/bazel instead of gcr.io/bazel-public/bazel
2. Example at the bottom of the page is outdated

I was able to fix the first but would like some help with the second

PiperOrigin-RevId: 500919426
Change-Id: I4ed07865a4eb760df07e3e47d5e8e3fe5e9dce1c

site/en/install/docker-container.md

@@ -39,7 +39,7 @@ docker run \
   -v /src/workspace:/src/workspace \
   -v /tmp/build_output:/tmp/build_output \
   -w /src/workspace \
-  l.gcr.io/google/bazel:latest \
+  gcr.io/bazel-public/bazel:latest \
   --output_user_root=/tmp/build_output \
   build //absl/...
 ```
@@ -55,7 +55,7 @@ docker run \
   -v /src/workspace:/src/workspace \
   -v /tmp/build_output:/tmp/build_output \
   -w /src/workspace \
-  l.gcr.io/google/bazel:latest \
+  gcr.io/bazel-public/bazel:latest \
   --output_user_root=/tmp/build_output \
   build --config={asan | tsan | msan} -- //absl/... -//absl/types:variant_test
 ```
@@ -70,7 +70,7 @@ container, build results will be cached.
 Start a shell in the Bazel container:
 
 ```posix-terminal
-docker run --interactive --entrypoint=/bin/bash l.gcr.io/google/bazel:latest
+docker run --interactive --entrypoint=/bin/bash gcr.io/bazel-public/bazel:latest
 ```
 
 Each container id is unique. In the instructions bellow, the container was 5a99103747c6.
@@ -100,7 +100,7 @@ root@5a99103747c6:~/abseil-cpp# bazel build --config=--config={asan | tsan | msa
 If you haven't already, start an interactive shell inside the Bazel container.
 
 ```posix-terminal
-docker run -it --entrypoint=/bin/bash l.gcr.io/google/bazel:latest
+docker run -it --entrypoint=/bin/bash gcr.io/bazel-public/bazel:latest
 root@5a99103747c6:/#
 ```