rename master to main

.github/workflows/nix.yml

@@ -2,10 +2,10 @@ name: "Nix"
 on:
   push:
     branches:
-      - master
+      - main
   pull_request:
     branches:
-      - master
+      - main
 jobs:
   docker-build:
     runs-on: ubuntu-latest
@@ -15,8 +15,6 @@ jobs:
       - uses: cachix/cachix-action@v3
         with:
           name: xe
-          signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
-          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
       - name: Log into GitHub Container Registry
         run: echo "${{ secrets.CR_PAT }}" | docker login https://ghcr.io -u ${{ github.actor }} --password-stdin
       - name: Docker push

.github/workflows/rust.yml

@@ -1,9 +1,9 @@
 name: Rust
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 env:
   CARGO_TERM_COLOR: always
 jobs: