pin mypy version in precommit dep. to last stable version i.e 1.18.2 (GoogleCloudPlatform#4913)

Author: shubpal07

Makefile

@@ -73,7 +73,7 @@ install-dev-deps: warn-terraform-version warn-packer-version check-pre-commit ch
 	go install honnef.co/go/tools/cmd/staticcheck@latest
 	pip install -r community/modules/scheduler/schedmd-slurm-gcp-v6-controller/modules/slurm_files/scripts/requirements.txt
 	pip install -r community/modules/scheduler/schedmd-slurm-gcp-v6-controller/modules/slurm_files/scripts/requirements-dev.txt
-	pip install mypy
+	pip install mypy==1.18.2
 
 
 clean: