chore(deps): update grpcio-tools requirement from >=1.78.0 to >=1.80.0 (#104)

Updates the requirements on [grpcio-tools](https://github.com/grpc/grpc) to permit the latest version.
- [Release notes](https://github.com/grpc/grpc/releases)
- [Commits](grpc/grpc@v1.78.0...v1.80.0)

---
updated-dependencies:
- dependency-name: grpcio-tools
  dependency-version: 1.80.0
  dependency-type: direct:production
...

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Author: dependabot[bot]

pyproject.toml

@@ -5,7 +5,7 @@ description = "Envoy ext-proc for configuring and invoking guardrails in an Envo
 requires-python = ">=3.11"
 dependencies = [
     "grpcio>=1.78.0",
-    "grpcio-tools>=1.78.0",
+    "grpcio-tools>=1.80.0",
     "grpcio-health-checking>=1.78.0",
     "betterproto2==0.9.1",
     "cpex==0.1.0.dev10",
@@ -15,7 +15,7 @@ dependencies = [
 proto = [
     "requests==2.33.1",
     "grpcio>=1.78.0",
-    "grpcio-tools>=1.78.0",
+    "grpcio-tools>=1.80.0",
     "betterproto2==0.9.1",
     "betterproto2_compiler==0.9.0",
     "structlog==25.5.0",