chore: rename quicproquo → quicprochat in Rust workspace

Rename all crate directories, package names, binary names, proto
package/module paths, ALPN strings, env var prefixes, config filenames,
mDNS service names, and plugin ABI symbols from quicproquo/qpq to
quicprochat/qpc.

sdks/python/pyproject.toml

@@ -3,14 +3,14 @@ requires = ["setuptools>=68.0", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "quicproquo"
+name = "quicprochat"
 version = "0.1.0"
-description = "Python SDK for quicproquo E2E encrypted messenger"
+description = "Python SDK for quicprochat E2E encrypted messenger"
 readme = "README.md"
 license = "MIT"
 requires-python = ">=3.10"
-authors = [{ name = "quicproquo contributors" }]
-keywords = ["quicproquo", "e2e", "encrypted", "messaging", "quic"]
+authors = [{ name = "quicprochat contributors" }]
+keywords = ["quicprochat", "e2e", "encrypted", "messaging", "quic"]
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Intended Audience :: Developers",
@@ -40,11 +40,11 @@ dev = [
 ]
 
 [project.urls]
-Homepage = "https://github.com/nicholasgasior/quicproquo"
-Repository = "https://github.com/nicholasgasior/quicproquo"
+Homepage = "https://github.com/nicholasgasior/quicprochat"
+Repository = "https://github.com/nicholasgasior/quicprochat"
 
 [tool.setuptools.packages.find]
-include = ["quicproquo*"]
+include = ["quicprochat*"]
 
 [tool.ruff]
 target-version = "py310"