Multiarch docker containers (#12428)

* Add bazel-zig-cc for a hermetic cc toolchain

* gazelle

* Remove llvm

* remove wl

* Add new URLs for renamed repo

* gazelle

* Update to v2.0.0-rc1

* bump to rc2

* Proof of concept multi-arch containers for beacon-chain

* TODO and gaz

* Refactor to starlark macro. Use a version of bash that actually works

* progress

* gaz

* multirun to use multiple repositories, but doesn't work with tag stamping

* Revert "multirun to use multiple repositories, but doesn't work with tag stamping"

This reverts commit 93afa76f65.

* Add targets for all supported docker images and temporarily set the repository to prysm-dev for testing

* use a temporary fix to see if it works on buildkite

* Revert "use a temporary fix to see if it works on buildkite"

This reverts commit ddc79283ca.

* testing a cURL fix

* try fix with my fix

* Revert "try fix with my fix"

This reverts commit bb7521bf47.

* Revert "testing a cURL fix"

This reverts commit 8a4782110f.

* try tip of main branch for rules_oci

* update to 1.2.0

* Update rules_oci to v1.3.0

* Update rule_oci to 1.3.4

* Disable experimental_remote_downloader

* Remove extra zig bazelrc

* Move image deps to its own file

* PR feedback

---------

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>

tools/BUILD.bazel

@@ -40,6 +40,7 @@ pkg_tar(
     mode = "0o644",
     package_dir = "etc",
     tags = ["manual"],
+    visibility = ["//visibility:public"],
 )
 
 CC_DEFAULT_BASE = select({
@@ -99,3 +100,28 @@ container_image(
     user = "root",
     visibility = ["//visibility:public"],
 )
+
+# Create a bash tar layer for docker images. This allows docker images to have access to the "bash"
+# command and improves debugging abilities on the image.
+genrule(
+    name = "bash_tar",
+    srcs = select({
+        "@platforms//cpu:x86_64": ["@bash_amd64//file"],
+        "@platforms//cpu:arm64": ["@bash_arm64//file"],
+    }),
+    outs = ["bash.tar"],
+    cmd = "ar x $< && xz -d data.tar.xz -c >> $@",
+    visibility = ["//visibility:public"],
+)
+
+# libtinfo6 is required for terminal activity and contains terminfo library.
+genrule(
+    name = "libtinfo6_tar",
+    srcs = select({
+        "@platforms//cpu:x86_64": ["@libtinfo6_amd64//file"],
+        "@platforms//cpu:arm64": ["@libtinfo6_arm64//file"],
+    }),
+    outs = ["libtinfo6.tar"],
+    cmd = "ar x $< && xz -d data.tar.xz -c >> $@",
+    visibility = ["//visibility:public"],
+)