Bump spiceai version to v1.0.7 in docs banner (#913)

Author: ewgenius

website/docusaurus.config.ts

@@ -92,7 +92,7 @@ const config: Config = {
     image: 'img/og/spiceai.png',
     announcementBar: {
       content:
-        '<a href="/blog/releases/v1.0.6">Spice.ai OSS v1.0.6</a> is now available! 🚀',
+        '<a href="/blog/releases/v1.0.7">Spice.ai OSS v1.0.7</a> is now available! 🚀',
       backgroundColor: 'var(--announcement-bar-bg)',
       textColor: 'var(--announcement-bar-text)',
       isCloseable: true