netlify.toml: pin postcss dependency to ^8.0.0, recursive submodule update (operator-framework#4313)

Author: Eric Stroczynski

Diff for: hack/ci/check-doc-only-update.sh

@@ -14,6 +14,7 @@ DOC_PATTERNS=(
   "(\.MD)"
   "(\.png)"
   "(\.pdf)"
+  "(netlify\.toml)"
   "^(doc/)"
   "^(website/)"
   "^(changelog/)"

Diff for: netlify.toml

@@ -6,8 +6,8 @@
   publish = "public"
   base = "website"
   command = """
-git submodule update -f --init themes/docsy && \
-npm install postcss-cli autoprefixer@^9.0.0 && \
+git submodule update -f --init --recursive themes/docsy && \
+npm install postcss@^8.0.0 postcss-cli@^8.0.0 autoprefixer@^9.0.0 && \
 ./scripts/set_menu_version.sh && \
 hugo version && \
 hugo

Diff for: website/assets/scss/_styles_project.scss

@@ -72,5 +72,3 @@ footer {
 
 //global
 @import "global";
-
-