Move from branch protections to rule sets

Author: trask

.github/repository-settings.md

@@ -63,6 +63,25 @@ for [`dependabot/**/**`](https://github.com/open-telemetry/community/blob/main/d
   [Nightly overhead benchmark](https://github.com/open-telemetry/opentelemetry-java-instrumentation/actions/workflows/nightly-benchmark-overhead.yml)
   job)
 
+## Rules > Rulesets
+
+### `main`
+
+- Targeted branches: `main`
+- Branch rules
+  - Restrict creations: CHECKED
+  - Restrict updates: CHECKED
+  - Restrict deletions: CHECKED
+  - Require linear history: CHECKED
+  - Require a pull request before merging: CHECKED
+    - Required approvals: 1
+    - Require review from Code Owners: CHECKED
+    - Allowed merge methods: Squash
+  - Require status checks to pass
+    - EasyCLA
+    - `required-status-check`
+  - Block force pushes: CHECKED
+
 ## Code security and analysis
 
 - Secret scanning: Enabled