Fix markdown lint (#1395)

<!--
Please read and fill out this form before submitting your PR.

Please make sure you have reviewed our contributors guide before
submitting your
first PR.
-->

## Overview

<!-- 
Please provide an explanation of the PR, including the appropriate
context,
background, goal, and rationale. If there is an issue with this
information,
please provide a tl;dr and link the issue. 
-->

## Checklist

<!-- 
Please complete the checklist to ensure that the PR is ready to be
reviewed.

IMPORTANT:
PRs should be left in Draft until the below checklist is completed.
-->

- [ ] New and updated code has appropriate documentation
- [ ] New and updated code has new and/or updated testing
- [ ] Required CI checks are passing
- [ ] Visual proof for any user facing features like CLI or
documentation updates
- [ ] Linked issues closed with keywords


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **Chores**
- Discontinued backporting patches to the `v0.11.x` branch; will
continue for the `v0.10.x` branch.

- **Documentation**
- Updated documentation links to point to the main branch instead of a
specific version (`v0.11.x`).
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: Manav-Aggarwal

.github/mergify.yml

@@ -1,17 +1,9 @@
 pull_request_rules:
-  - name: backport patches to v0.11.x branch
-    conditions:
-      - base=main
-      - label=backport:v0.11.x
-    actions:
-      backport:
-        branches:
-          - v0.11.x
   - name: backport patches to v0.10.x branch
     conditions:
       - base=main
       - label=backport:v0.10.x
     actions:
       backport:
         branches:
-          - v0.10.x-lts
+          - v0.10.x

state/block-executor.md

@@ -118,7 +118,7 @@ See [block executor]
 
 [4] [ABCI documentation][ABCI interface]
 
-[block executor]: https://github.com/rollkit/rollkit/blob/v0.11.x/state/executor.go
-[block manager]: https://github.com/rollkit/rollkit/blob/v0.11.x/block/block-manager.md
-[block validation]: https://github.com/rollkit/rollkit/blob/v0.11.x/types/block_spec.md
+[block executor]: https://github.com/rollkit/rollkit/blob/main/state/executor.go
+[block manager]: https://github.com/rollkit/rollkit/blob/main/block/block-manager.md
+[block validation]: https://github.com/rollkit/rollkit/blob/main/types/block_spec.md
 [ABCI interface]: https://github.com/cometbft/cometbft/blob/main/spec/abci/abci%2B%2B_basic_concepts.md

state/validators.md

@@ -35,4 +35,4 @@ See [block manager]
 
 [1] [Block Manager][block manager]
 
-[block manager]: https://github.com/rollkit/rollkit/blob/v0.11.x/block/block-manager.md
+[block manager]: https://github.com/rollkit/rollkit/blob/main/block/block-manager.md