chore: try to reproduce bug with zstd being non-hermetic

lib/tests/zstd/BUILD.bazel

@@ -1,21 +1,17 @@
+load("@aspect_bazel_lib//lib:tar.bzl", "tar")
 load("@aspect_bazel_lib//lib:testing.bzl", "assert_archive_contains")
 
 # Case 1: Can decompress gzip archive
-genrule(
+tar(
     name = "tar",
-    srcs = [
-        "srcfile",
-    ],
-    outs = ["1.tar.gz"],
-    cmd = "$(BSDTAR_BIN) --create --gzip --dereference --file $@ -s '#$(BINDIR)##' $(execpath srcfile)",
-    toolchains = ["@bsd_tar_toolchains//:resolved_toolchain"],
+    srcs = ["srcfile"],
+    out = "1.tar.zst",
+    compress = "zstd",
 )
 
 genrule(
     name = "decompress_tar",
-    srcs = [
-        ":tar",
-    ],
+    srcs = [":tar"],
     outs = ["1.tar"],
     cmd = "$(ZSTD_BIN) -f --decompress $(execpath :tar) --stdout > $@",
     toolchains = ["@zstd_toolchains//:resolved_toolchain"],

lib/tests/zstd/srcfile

@@ -0,0 +1 @@
+some content