Update Hugo and theme with modern improvements

- Updated Hugo from v0.115.4 to v0.150.0 (latest)
- Updated m10c theme to latest version (8 commits)
- Fixed deprecated resources.ToCSS → css.Sass function
- Upgraded social icons to use brand-specific Simple Icons
- Added RSS feed autodiscovery support
- Improved icon consistency across all social platforms

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

config.toml

@@ -17,11 +17,11 @@ theme = "m10c"
     name = "My Cooking Show"
     url = "https://www.youtube.com/@RandomRecipeProject"
   [[params.social]]
-    icon = "message-circle"
+    icon = "brand-mastodon"
     name = "Mastodon"
     url = "https://toots.kestrelsnest.social/@eric"
   [[params.social]]
-    icon = "message-circle"
+    icon = "brand-bluesky"
     name = "BlueSky"
     url = "https://bsky.app/profile/ewagoner.bsky.social"
   [[params.social]]
@@ -37,23 +37,23 @@ theme = "m10c"
     name = "My Podcasts"
     url = "https://podcasts.kestrelsnest.social"
   [[params.social]]
-    icon = "youtube"
+    icon = "brand-youtube"
     name = "Personal YouTube"
     url = "https://youtube.com/ewagoner"
   [[params.social]]
-    icon = "linkedin"
+    icon = "brand-linkedin"
     name = "LinkedIn"
     url = "https://www.linkedin.com/in/wagonereric/"
   [[params.social]]
-    icon = "github"
+    icon = "brand-github"
     name = "Github"
     url = "https://github.com/ewagoner"
   [[params.social]]
-    icon = "git-branch"
+    icon = "brand-gitea"
     name = "Gitea"
     url = "https://git.kestrelsnest.social/eric"
   [[params.social]]
-    icon = "facebook"
+    icon = "brand-facebook"
     name = "Facebook"
     url = "https://facebook.com/ewagoner"
   [[params.social]]