feat: add Google Metadata support and TDX container test

- Introduced `google-metadata` binary for reading GCP instance attributes.
- Added TDX container test with new `container-test-tdx` package.
- Updated Nix workflow and deployment scripts for Google Metadata integration.
- Bumped `anyhow` to 1.0.95 and updated Cargo.lock.

Signed-off-by: Harald Hoyer <harald@matterlabs.dev>

packages/container-test-tdx/default.nix

@@ -0,0 +1,24 @@
+# SPDX-License-Identifier: Apache-2.0
+# Copyright (c) 2024 Matter Labs
+{ dockerTools
+, buildEnv
+, teepot
+}:
+dockerTools.buildLayeredImage {
+  name = "test-tdx";
+
+  config.Entrypoint = [ "${teepot.teepot.google_metadata}/bin/google-metadata" ];
+  config.Env = [ "LD_LIBRARY_PATH=/lib" ];
+  contents = buildEnv {
+    name = "image-root";
+
+    paths = with dockerTools;[
+      teepot.teepot.google_metadata
+      usrBinEnv
+      binSh
+      caCertificates
+      fakeNss
+    ];
+    pathsToLink = [ "/bin" "/lib" "/etc" "/share" ];
+  };
+}