Remove pin on Vale, and upgrade to v3.x configuration

.github/workflows/docs.yml

@@ -10,6 +10,9 @@ on:
     paths:
       - 'docs/**'
       - 'styles/**'
+      - '.github/workflows/docs.yml'
+      - 'requirements-docs.txt'
+      - '.vale.ini'
 
 jobs:
   docs:
@@ -32,9 +35,7 @@ jobs:
         run: pip install virtualenv
 
       - name: pip install requirements
-        run: |
-          pip install -r requirements-docs.txt
-          sudo snap install --edge vale
+        run: pip install -r requirements-docs.txt
 
       - name: Check for broken links
         run: make docs-linkcheckbroken
@@ -43,7 +44,4 @@ jobs:
         run: make docs-html
 
       - name: Run vale
-        run: |
-          git clone https://github.com/errata-ai/Microsoft.git
-          cp -r ./Microsoft/Microsoft ./styles
-          vale --no-exit ./docs
+        run: make docs-vale VALEOPTS=--no-exit

Makefile

@@ -16,6 +16,7 @@ include variables.mk
 # Sphinx variables
 # You can set these variables from the command line.
 SPHINXOPTS      ?=
+VALEOPTS        ?=
 # Internal variables.
 SPHINXBUILD     = "$(realpath bin/sphinx-build)"
 SPHINXAUTOBUILD = "$(realpath bin/sphinx-autobuild)"
@@ -120,7 +121,7 @@ docs-linkcheckbroken: bin/python docs-news  ## Run linkcheck and show only broke
 .PHONY: docs-vale
 docs-vale: bin/python docs-news  ## Install (once) and run Vale style, grammar, and spell checks
 	bin/vale sync
-	bin/vale --no-wrap $(VALEFILES)
+	bin/vale --no-wrap $(VALEOPTS) $(VALEFILES)
 	@echo
 	@echo "Vale is finished; look for any errors in the above output."
 

packages/volto/news/6376.documentation

@@ -0,0 +1,2 @@
+Removed pin on Vale for documentation spelling, grammar, and style checks, and upgrade to v3.x configuration.
+Updated CI and `Makefile` to allow `VALEOPTS=--no-exit`. @stevepiercy

requirements-docs.txt

@@ -7,4 +7,4 @@ sphinx-copybutton
 sphinx-examples
 sphinxcontrib-video
 sphinxext-opengraph
-vale==2.30.0
+vale