ci: create folder before generating docs

Author: shikaan

.github/workflows/build.yml

@@ -21,10 +21,10 @@ jobs:
           enable_prerelease_mode: true
           major_pattern: "BREAKING"
           minor_pattern: "feat:"
+      - run: mkdir -p .build
       - run: |
           export VERSION="${{ steps.version.outputs.version }}"
           go generate
-      - run: mkdir -p .build
       - uses: crazy-max/ghaction-xgo@v2
         with:
           dest: ${{ env.GITHUB_WORKSPACE }}/.build