Update Makefile targets

Add make help, reorder make init to match other projects, and
have make update-deps also update pre-commit plugins.

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
       - id: check-merge-conflict
       - id: check-toml

Makefile

@@ -1,8 +1,31 @@
+.PHONY: help
+help:
+	@echo "Make targets for Gafaelfawr"
+	@echo "make init - Set up dev environment"
+	@echo "make run - Run development instance of server"
+	@echo "make update - Update pinned dependencies and run make init"
+	@echo "make update-deps - Update pinned dependencies"
+	@echo "make update-deps-no-hashes - Pin dependencies without hashes"
+
+.PHONY: init
+init:
+	pip install --upgrade pip
+	pip install --upgrade pre-commit tox
+	pip install --editable .
+	pip install --upgrade -r requirements/main.txt -r requirements/dev.txt
+	rm -rf .tox
+	pre-commit install
+
+.PHONY: update
+update: update-deps init
+
 # The dependencies need --allow-unsafe because pre-commit transitively
 # depends on setuptools, which is normally not allowed to appear in a hashed
 # dependency file.
 .PHONY: update-deps
 update-deps:
+	pip install --upgrade pre-commit
+	pre-commit autoupdate
 	pip install --upgrade pip-tools pip setuptools
 	pip-compile --upgrade --resolver=backtracking --build-isolation \
 	    --allow-unsafe --generate-hashes				\
@@ -22,17 +45,6 @@ update-deps-no-hashes:
 	    --allow-unsafe						\
 	    --output-file requirements/dev.txt requirements/dev.in
 
-.PHONY: init
-init:
-	pip install --editable .
-	pip install --upgrade -r requirements/main.txt -r requirements/dev.txt
-	rm -rf .tox
-	pip install --upgrade tox
-	pre-commit install
-
-.PHONY: update
-update: update-deps init
-
 .PHONY: run
 run:
 	tox -e run