Add pjfitzgibbon to MAINTAINERS.md (#1270)

Email evidence of approval :

From: "Gurudatt, Shenoy Pratik" <[email protected]>
Subject: Re: Github Observability Membership Nomination
Date: November 3, 2022 at 2:38:04 PM PDT
To: "Mohan, Kavitha" <[email protected]>, "Jadhav, Anirudha" <[email protected]>, "Fitzgibbons, Peter" <[email protected]>, "Li, Joshua" <[email protected]>, "Wei, Eric" <[email protected]>, "Cui, David" <[email protected]>

Hi all,

I nominate Peter to be added as a maintainer to Observability repository.

Thanks,
Shenoy Pratik 

On 11/3/22, 2:36 PM, "Mohan, Kavitha" <[email protected]> wrote:

   Hi everyone,

   I nominate Peter to be added as a maintainer to Observability repository.

   Cheers,
   Kavitha

   On 11/2/22, 1:45 PM, "Jadhav, Anirudha" <[email protected]> wrote:

       +1 

       On 11/2/22, 1:28 PM, "Fitzgibbons, Peter" <[email protected]> wrote:

           Hello All,

           I believe i need a nomination (reply-all) and 3 up-votes (reply-all).  And hopefully no downvotes (!).

           I believe the instructions declare that someone (not-me?) needs to create the PR for nomination in 1 week.

           Thanks so much for your support.

           Kindest Regards,
           Peter Fitzgibbons - AWS OpenSearch Observability

MAINTAINERS.md

@@ -1,14 +1,15 @@
 # Observability Maintainers
 
 ## Maintainers
-| Maintainer    | GitHub ID                                       | Affiliation |
-|---------------|-------------------------------------------------|-------------|
-| David Cui     | [davidcui1225](https://github.com/davidcui1225) | Amazon      |
-| Eric Wei      | [mengweieric](https://github.com/mengweieric)   | Amazon      |
-| Joshua Li     | [joshuali925](https://github.com/joshuali925)   | Amazon      |
-| Shenoy Pratik | [ps48](https://github.com/ps48)                 | Amazon      |
-| Kavitha Mohan | [kavithacm](https://github.com/kavithacm)       | Amazon      |
-| Eugene Lee    | [eugenesk24](https://github.com/eugenesk24)     | Amazon      |
-| Rupal Mahajan | [rupal-bq](https://github.com/rupal-bq)         | Amazon      |
-| Derek Ho      | [derek-ho](https://github.com/derek-ho)         | Amazon      |
-| Lior Perry    | [YANG-DB](https://github.com/YANG-DB)           | Amazon      |
+| Maintainer        | GitHub ID                                         | Affiliation |
+|-------------------|---------------------------------------------------|-------------|
+| David Cui         | [davidcui1225](https://github.com/davidcui1225)   | Amazon      |
+| Eric Wei          | [mengweieric](https://github.com/mengweieric)     | Amazon      |
+| Joshua Li         | [joshuali925](https://github.com/joshuali925)     | Amazon      |
+| Shenoy Pratik     | [ps48](https://github.com/ps48)                   | Amazon      |
+| Kavitha Mohan     | [kavithacm](https://github.com/kavithacm)         | Amazon      |
+| Eugene Lee        | [eugenesk24](https://github.com/eugenesk24)       | Amazon      |
+| Rupal Mahajan     | [rupal-bq](https://github.com/rupal-bq)           | Amazon      |
+| Derek Ho          | [derek-ho](https://github.com/derek-ho)           | Amazon      |
+| Lior Perry        | [YANG-DB](https://github.com/YANG-DB)             | Amazon      |
+| Peter Fitzgibbons | [pjfitzgibbons](https://github.com/pjfitzgibbons) | Amazon      |