fix: Fix branch reference

Author: frithjofhoppebit

.github/workflows/build_kotlin.yml

@@ -11,7 +11,7 @@ jobs:
             - name: Checkout
               uses: actions/checkout@v4
               with:
-                ssh-key: ${{ secrets.SSH_KEY }}
+                ref: main
             - name: Install rust
               run: |
                 curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y

.github/workflows/build_swift.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
         with:
-          ref: build/swift
+          ref: main
       - name: Install rust
         run: |
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y