build: remove dev dependencies in standalone publish workflows

Author: Planeshifter

lib/node_modules/@stdlib/_tools/scripts/templates/workflow_publish.yml.txt

@@ -124,16 +124,10 @@ jobs:
               mv ./package.json.tmp ./package.json
             fi
           done
-          jq -r '.devDependencies | keys[]' ./package.json | while read -r dep; do
-            if [[ "$dep" != "@stdlib"* ]]; then
-              continue
-            fi
-            dep=$(echo "$dep" | xargs)
-            if ! find lib -name "*.js" -exec grep -q "$dep" {} + && ! grep -q -s "$dep" manifest.json && ! grep -q -s "$dep" include.gypi; then
-              jq --indent 2 "del(.devDependencies[\"$dep\"])" ./package.json > ./package.json.tmp
-              mv ./package.json.tmp ./package.json
-            fi
-          done
+
+          # Set `devDependencies` to an empty object:
+          jq --indent 2 '.devDependencies = {}' ./package.json > ./package.json.tmp
+          mv ./package.json.tmp ./package.json
 
           # Remove CLI section:
           find . -type f -name '*.md' -print0 | xargs -0 perl -0777 -i -pe "s/(\* \* \*\n+)?<section class=\"cli\">[\s\S]+?<\!\-\- \/.cli \-\->//"

lib/node_modules/@stdlib/_tools/scripts/templates/workflow_publish_cli.yml.txt

@@ -105,6 +105,12 @@ jobs:
           SLUG=${{ github.repository }}
           git push "https://$GITHUB_ACTOR:$GITHUB_TOKEN@github.com/$SLUG.git" --follow-tags
 
+      # Remove development dependencies from package.json:
+      - name: 'Remove development dependencies from package.json'
+        run: |
+          jq --indent 2 '.devDependencies = {}' ./package.json > ./package.json.tmp
+          mv ./package.json.tmp ./package.json
+
       # Replace GitHub MathJax equations with SVGs:
       - name: 'Replace GitHub MathJax equations with SVGs'
         run: |