GitHub workflows (#428)

Fixes #348 
Fixes #274 
Fixes #149 

- Connect to existing repos
- Push to other branches on GitHub besides main
- Allows force push (with confirmation) dialog

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Co-authored-by: graphite-app[bot] <96075541+graphite-app[bot]@users.noreply.github.com>

drizzle/meta/_journal.json

@@ -50,6 +50,13 @@
       "when": 1749515724373,
       "tag": "0006_mushy_squirrel_girl",
       "breakpoints": true
+    },
+    {
+      "idx": 7,
+      "version": "6",
+      "when": 1750186036000,
+      "tag": "0007_dapper_overlord",
+      "breakpoints": true
     }
   ]
 }