fix(blog): Whitespace issue w/ blog addition.

docs/blog/2022-04-02-zephyr-3-0.md

@@ -29,13 +29,13 @@ Existing user config repositories using Github Actions to build will pull down Z
 - Change `zmkfirmware/zmk-build-arm:2.5` to `zmkfirmware/zmk-build-arm:stable` wherever it is found
 - Locate and delete the lines for the DTS output step, which is no longer needed:
 
-    ```
-      - name: ${{ steps.variables.outputs.display-name }} DTS File
-        if: ${{ always() }}
-        run: |
-          if [ -f "build/zephyr/${{ matrix.board }}.pre.tmp" ]; then cat -n build/zephyr/${{ matrix.board }}.pre.tmp; fi
-          if [ -f "build/zephyr/zephyr.dts" ]; then cat -n build/zephyr/zephyr.dts; fi
-    ```
+  ```
+    - name: ${{ steps.variables.outputs.display-name }} DTS File
+      if: ${{ always() }}
+      run: |
+        if [ -f "build/zephyr/${{ matrix.board }}.pre.tmp" ]; then cat -n build/zephyr/${{ matrix.board }}.pre.tmp; fi
+        if [ -f "build/zephyr/zephyr.dts" ]; then cat -n build/zephyr/zephyr.dts; fi
+  ```
 
 :::note