Add support to update strategy on global update (#7902)

* Add support to update strategy.

* Add JavaDoc and bump the LIB_VERSION_MAX constant.

* Fix a word typo.

* Store update strategy enum as integer in the DB.

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -43,6 +43,7 @@ import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.source.UnmeteredSource
 import eu.kanade.tachiyomi.source.model.SManga
+import eu.kanade.tachiyomi.source.model.UpdateStrategy
 import eu.kanade.tachiyomi.util.lang.withIOContext
 import eu.kanade.tachiyomi.util.prepUpdateCover
 import eu.kanade.tachiyomi.util.shouldDownloadNewChapters
@@ -347,6 +348,9 @@ class LibraryUpdateService(
                                             MANGA_NON_READ in restrictions && mangaWithNotif.totalChapters > 0 && !mangaWithNotif.hasStarted ->
                                                 skippedUpdates.add(mangaWithNotif to getString(R.string.skipped_reason_not_started))
 
+                                            mangaWithNotif.update_strategy != UpdateStrategy.ALWAYS_UPDATE ->
+                                                skippedUpdates.add(mangaWithNotif to getString(R.string.skipped_reason_not_always_update))
+
                                             else -> {
                                                 // Convert to the manga that contains new chapters
                                                 mangaWithNotif.toDomainManga()?.let { domainManga ->