fix: Change order of master deploy (FuelLabs#4607)

## Description
My previous PR FuelLabs#4606 is overwriting all other folders in
`ghpages/master` since it is the final step. This changes it to the
first step in that process.

.github/workflows/gh-pages.yml

@@ -50,6 +50,14 @@ jobs:
       - name: Build Sway std library
         run: forc doc --manifest-path ./sway-lib-std
 
+      - name: Deploy master std
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./sway-lib-std/out/doc
+          destination_dir: master
+        if: github.ref == 'refs/heads/master'
+
       - name: Deploy master book
         uses: peaceiris/actions-gh-pages@v3
         with:
@@ -66,14 +74,6 @@ jobs:
           destination_dir: master/reference
         if: github.ref == 'refs/heads/master'
 
-      - name: Deploy master std
-        uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./sway-lib-std/out/doc
-          destination_dir: master
-        if: github.ref == 'refs/heads/master'
-
       - name: Create master book redirect file
         run: |
           mkdir ./tmp