Update build workflows to install composer dependencies

Author: MaxwellGarceau

.github/workflows/build-release-zip.yml

@@ -35,10 +35,14 @@ jobs:
         if: steps.cache-node-modules.outputs.cache-hit != 'true'
         run: npm ci --no-optional
 
+      - name: Install Composer dependencies and dump autoload
+        run: |
+          composer install --no-dev --optimize-autoloader
+          composer dump-autoload
+
       - name: Build plugin
         run: |
           npm run build
-          composer dump-autoload
 
       - name: Install SVN
         run: |

.github/workflows/wordpress-plugin-deploy.yml

@@ -19,6 +19,11 @@ jobs:
         node-version-file: '.nvmrc'
         cache: 'npm'
 
+    - name: Install Composer dependencies and dump autoload
+      run: |
+        composer install --no-dev --optimize-autoloader
+        composer dump-autoload
+
     - name: Build
       run: |
         npm ci --no-optional