Nominate Mark Lewis as maintainer, Remove James Taylor (#391)

Signed-off-by: Matthew B White <whitemat@uk.ibm.com>
(cherry picked from commit 5c5d764)

Co-authored-by: Matthew B White <whitemat@uk.ibm.com>

MAINTAINERS.md

@@ -3,19 +3,20 @@ Maintainers
 
 **Active maintainers**
 
-| Name | GitHub | Chat | email
-|------|--------|------|-------
-| Matthew B White | [mbwhite][mbwhite] | mbwhite | <whitemat@uk.ibm.com>
-| James Taylor | [jt-nti][jt-nti] | jtonline | <jamest@uk.ibm.com>
+| Name            | GitHub                             | Chat            | email
+|-----------------|------------------------------------|-----------------|-------
+| Matthew B White | [mbwhite][mbwhite]                 | mbwhite         | <whitemat@uk.ibm.com>
+| Mark Lewis      | [bestbeforetoday][bestbeforetoday] | bestbeforetoday | <mark_lewis@uk.ibm.com>
 
 **Emeritus maintainers**
 
-| Name | GitHub | Chat | email
-|------|--------|------|-------
-| Andrew Hurt | [awjh-ibm][awjh-ibm] | awjh-ibm | <andrew.hurt1@ibm.com>
-| Bret Harrison | [harrisob][harrisob] | bretharrison | <beharrison@nc.rr.com>
-| Chaoyi Zhao | [zhaochy1990][zhaochy1990] | zhaochy | <zhaochy_2015@hotmail.com>
-| David Kelsey | [davidkel][davidkel] | davidkel | <d_kelsey@uk.ibm.com>
+| Name          | GitHub                     | Chat         | email
+|---------------|----------------------------|--------------|-------
+| James Taylor  | [jt-nti][jt-nti]           | jtonline     | <jamest@uk.ibm.com>
+| Andrew Hurt   | [awjh-ibm][awjh-ibm]       | awjh-ibm     | <andrew.hurt1@ibm.com>
+| Bret Harrison | [harrisob][harrisob]       | bretharrison | <beharrison@nc.rr.com>
+| Chaoyi Zhao   | [zhaochy1990][zhaochy1990] | zhaochy      | <zhaochy_2015@hotmail.com>
+| David Kelsey  | [davidkel][davidkel]       | davidkel     | <d_kelsey@uk.ibm.com>
 
 Also: Please see the [Release Manager section](https://github.com/hyperledger/fabric/blob/main/MAINTAINERS.md)