Migrate from 'master' default branch to 'main' (networkservicemesh#189)

.github/workflows/automerge.yaml

@@ -14,13 +14,13 @@ jobs:
     steps:
       - name: Check out the code
         uses: actions/checkout@v2
-      - name: Fetch master
+      - name: Fetch main
         run: |
           git remote -v
-          git fetch --depth=1 origin master
+          git fetch --depth=1 origin main
       - name: Only allow go.mod, go.sum, *.gen.go files
         run: |
-          find . -type f ! -name 'go.mod' ! -name 'go.sum' -exec git diff --exit-code origin/master -- {} +
+          find . -type f ! -name 'go.mod' ! -name 'go.sum' -exec git diff --exit-code origin/main -- {} +
       - name: Merge PR
         uses: ridedott/merge-me-action@master
         with:

.github/workflows/codeql-analysis.yml

@@ -8,10 +8,10 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [master]
+    branches: [main]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [master]
+    branches: [main]
   schedule:
     - cron: '0 5 * * 0'
 

.github/workflows/pr-for-updates.yaml

@@ -20,4 +20,4 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.NSM_BOT_GITHUB_TOKEN }}
           BRANCH_PREFIX: "update/"
-          PULL_REQUEST_BRANCH: "master"
+          PULL_REQUEST_BRANCH: "main"

.github/workflows/update-dependent-repositories-gomod.yaml

@@ -3,7 +3,7 @@ name: Update dependent repositories
 on:
   push:
     branches:
-      - master
+      - main
   workflow_run:
     types:
       - completed
@@ -19,7 +19,7 @@ jobs:
           - sdk-sriov
     name: Update ${{ matrix.repository }}
     runs-on: ubuntu-latest
-    if: ${{ github.event.workflow_run.conclusion == 'success' && github.actor == 'nsmbot' || github.ref == 'refs/heads/master' }}
+    if: ${{ github.event.workflow_run.conclusion == 'success' && github.actor == 'nsmbot' || github.ref == 'refs/heads/main' }}
     steps:
       - name: Checkout ${{ github.repository }}
         uses: actions/checkout@v2
@@ -35,7 +35,7 @@ jobs:
       - name: Create commit message
         working-directory: ${{ github.repository }}
         run: |
-          echo "Update go.mod and go.sum to latest version from ${{ github.repository }}@master ${{ github.repository }}#${{ steps.findPr.outputs.pr }}" >> /tmp/commit-message
+          echo "Update go.mod and go.sum to latest version from ${{ github.repository }}@main ${{ github.repository }}#${{ steps.findPr.outputs.pr }}" >> /tmp/commit-message
           echo "" >> /tmp/commit-message
           echo "${{ github.repository }} PR link: https://github.com/${{ github.repository }}/pull/${{ steps.findPr.outputs.pr }}" >> /tmp/commit-message
           echo "" >> /tmp/commit-message