Request maintainers access for the repo

Commits:
```
https://gerrit.openbmc.org/q/owner:paligill@gmail.com+repo:openbmc/phosphor-bmc-code-mgmt+-status:abandoned
https://gerrit.openbmc.org/q/owner:paligill@gmail.com+repo:openbmc/bmcweb+after:2024-04-01
```

Design:
```
https://github.com/openbmc/docs/blob/master/designs/code-update.md
```

Change-Id: Ie7228a487b699c2b639bf260dc6d8dc3493ea505
Signed-off-by: Jagpal Singh Gill <paligill@gmail.com>
diff --git a/OWNERS b/OWNERS
index 325d94f..8b4ad82 100644
--- a/OWNERS
+++ b/OWNERS
@@ -35,6 +35,7 @@
 - anoo@us.ibm.com
 - gunnar@gmills.xyz
 - mine260309@gmail.com
+- paligill@gmail.com
 
 reviewers:
 - ojayanth@in.ibm.com
@@ -58,3 +59,6 @@
 - name: George Liu
   email: liuxiwei@ieisystem.com
   discord: George Liu
+- name: Jagpal Singh Gill
+  email: paligill@gmail.com
+  discord: jagpalgill