feat: Vendor pezkuwi-subxt and pezkuwi-zombienet-sdk into monorepo

- Add pezkuwi-subxt crates to vendor/pezkuwi-subxt
- Add pezkuwi-zombienet-sdk crates to vendor/pezkuwi-zombienet-sdk
- Convert git dependencies to path dependencies
- Add vendor crates to workspace members
- Remove test/example crates from vendor (not needed for SDK)
- Fix feature propagation issues detected by zepter
- Fix workspace inheritance for internal dependencies
- All 606 crates now in workspace
- All 6919 internal dependency links verified correct
- No git dependencies remaining

vendor/pezkuwi-zombienet-sdk/.config/spellcheck.toml

@@ -0,0 +1,13 @@
+[hunspell]
+lang = "en_US"
+search_dirs = ["."]
+extra_dictionaries = ["lingua.dic"]
+skip_os_lookups = true
+use_builtin = true
+
+[hunspell.quirks]
+# `Type`'s
+# 5x
+transform_regex = ["^'([^\\s])'$", "^[0-9]+(?:\\.[0-9]*)?x$", "^'s$", "^\\+$", "[><+-]"]
+allow_concatenation = true
+allow_dashes = true