[release] Bump to version 51.4

- Clean up metadata comicbook enrichment

PROJECT.org

@@ -88,7 +88,7 @@ fetching and simple saving.
 *** Metadata sources
 **** Scraper
 
-* Backlog [1/17] :vrobbler:project:personal:
+* Backlog [0/16] :vrobbler:project:personal:
 ** TODO [#C] Create small utility to clean up tracks scrobbled with wonky playback times :vrobbler:personal:bug:music:scrobbles:
 :PROPERTIES:
 :ID:       702462cf-d54b-48c6-8a7c-78b8de751deb
@@ -547,6 +547,7 @@ Examples of trends:
 - trail_scrobble__average_heartrate per trail 
 - ...
 
+* Version 51.4 [1/1]
 ** DONE [#A] Clean up metadata comicbook enrichment :bug:comics:books:metadata:
 :PROPERTIES:
 :ID:       cd875450-7117-78ca-8be4-9c8b73037dba
@@ -559,6 +560,7 @@ tag a Book as a comicbook, and also gather volume information. I also noticed
 that some books that are found in OL never get their comicvine_id populated. We
 should make sure we always have comicvine_ids if available.
 
+
 * Version 51.3 [1/1]
 ** DONE [#A] Improve speed of index and chart pages :bug:scrobbles:perf:
 :PROPERTIES: