Chore: Move from master to main branch (#33693)

* Chore: Move from master branch to main

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

* CI: Upgrade build pipeline tool to v2

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

pkg/services/sqlstore/migrations/migrations.go

@@ -6,7 +6,7 @@ import (
 )
 
 // --- Migration Guide line ---
-// 1. Never change a migration that is committed and pushed to master
+// 1. Never change a migration that is committed and pushed to main
 // 2. Always add new migrations (to change or undo previous migrations)
 // 3. Some migrations are not yet written (rename column, table, drop table, index etc)