Move to main over master (#1642)

Resolves https://github.com/PhotonVision/photonvision/issues/251

---------

Signed-off-by: Jade Turner <spacey-sooty@proton.me>

.github/workflows/photon-code-docs.yml

@@ -1,13 +1,13 @@
 name: Photon Code Documentation
 
 on:
-  # Run on pushes to master and pushed tags, and on pull requests against master, but ignore the docs folder
+  # Run on pushes to main and pushed tags, and on pull requests against main, but ignore the docs folder
   push:
-    branches: [ master ]
+    branches: [ main ]
     tags:
       - 'v*'
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
   merge_group:
 
 # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
@@ -78,7 +78,7 @@ jobs:
 
       - run: find .
       - name: copy file via ssh password
-        if: github.ref == 'refs/heads/master'
+        if: github.ref == 'refs/heads/main'
         uses: appleboy/scp-action@v0.1.7
         with:
           host: ${{ secrets.WEBMASTER_SSH_HOST }}