Merge rust-bitcoin/www.rust-bitcoin.org#4: Fix the date in the blog post

b95e04a Add link to v0.30.0 on docsrs (Tobin C. Harding)
0650456 Fix incorrect blog post date (Tobin C. Harding)

Pull request description:

  I put Feb instead of Mar, fix it. Since this requires a re-deploy add a link to docsrs for version 0.30.0 as well.

ACKs for top commit:
  apoelstra:
    ACK b95e04a

Tree-SHA512: 4b028f148da0dd981a3ce729408e514d986570cde80a6478e4f234ae0d7f8520ad2f252f841cb909ad3bed405e98871b038b8f360e22fbf24f09badbafe947e2

Author: tcharding

site/content/blog/release-0.30.0.md

@@ -1,10 +1,10 @@
 ---
 title: "Release 0.30.0 is out!"
-date: 2023-02-21T20:00:00-07:00
+date: 2023-03-21T12:00:00-07:00
 draft: false
 ---
 
-`rust-bitcoin` version 0.30.0 is out now.
+`rust-bitcoin` [version 0.30.0](https://docs.rs/bitcoin/0.30.0/bitcoin/index.html) is out now.
 
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