Note (skills#450)

* Update **Note** syntax

> [!NOTE]
> New syntax introduced by @dipree

* Add line breaks

> [!NOTE]\
> Line break with `\`

* Revert "Add line breaks"

Soft line breaks will now suffice.
This reverts commit 4153bdf.

Author: sinsukehlab

.github/steps/2-commit-a-file.md

@@ -24,7 +24,8 @@ The following steps will guide you through the process of committing a change on
 
 3. In the **Name your file...** field, enter `PROFILE.md`.
 
-   **Note:** `.md` is a file extension that creates a Markdown file. You can learn more about Markdown by visiting "[Basic writing and formatting syntax](https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax)" in our docs or by taking the "[Communicating using Markdown](https://github.com/skills/communicate-using-markdown)" Skills course.
+   > [!NOTE]
+   > `.md` is a file extension that creates a Markdown file. You can learn more about Markdown by visiting "[Basic writing and formatting syntax](https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax)" in our docs or by taking the "[Communicating using Markdown](https://github.com/skills/communicate-using-markdown)" Skills course.
 
 4. In the **Enter file contents here** area, copy the following content to your file:
 

.github/steps/3-open-a-pull-request.md

@@ -38,6 +38,7 @@ To create a pull request automatically, click **Compare & pull request**, and th
 8. Click **Create pull request**. You will automatically be navigated to your new pull request.
 9. Wait about 20 seconds then refresh this page (the one you're following instructions from). [GitHub Actions](https://docs.github.com/en/actions) will automatically update to the next step.
 
-   **Note**: You may see evidence of GitHub Actions running on the tab with the pull request opened! The image below shows a line you might see on your pull request after the Action finishes running.
+   > [!NOTE]
+   > You may see evidence of GitHub Actions running on the tab with the pull request opened! The image below shows a line you might see on your pull request after the Action finishes running.
 
    <img alt="screenshot of an example of an actions line" src="/images/Actions-to-step-4.png"/>

.github/steps/4-merge-your-pull-request.md

@@ -27,4 +27,5 @@ As noted in the previous step, you may have seen evidence of GitHub Actions runn
 
 4. Wait about 20 seconds then refresh this page (the one you're following instructions from). [GitHub Actions](https://docs.github.com/en/actions) will automatically update to the next step.
 
-   **Note**: Check out the **Finish** step to see what you can learn next!
+   > [!NOTE]
+   > Check out the **Finish** step to see what you can learn next!