Dgraph v20.07.3-rc1

da310c1 fix(GraphQL): don't update cacheMb if not specified by user (GRAPHQL-888) (#7103) (#7106)
466ad9a [docs] : rephrase + added example to query logging section (#7032) (#7078)
56ec253 removed note about order for term and trigram since it has been fixed (#7037)
9194e29 fix(DQL): ignore ordering of indexes in schema with eq function (DGRAPH-2601) (#6996) (#7033)
f8e0b2b Update kubernetes links to match 20.07 config files (#7049)
8dbf573 Change default compression to zstd:3 (#6995)
4624bdd fix(worker): fix eq filter for non-index predicates. (#6986) (#6988)
e965dd8 fix(Alpha): Immediately take a snapshot if we don't have one (#6458) (#6970)
9e15123 build(dockerfile): Set GODEBUG=madvdontneed=1. (#6955)
430376f fix(GraphQL): This PR fixes issue of multiple responses in a subscription for an update. (#6868) (#6935)
c12e0b9 v20.07: fix(backup/restore): fixes backup and restore with DROP operations (G… (#6922)
7b96f69 fix ErrIndexingInProgress if schema update fails (#6583) (#6912)
ab14ed8 fix(dgraph): giving users the option to control tls versions (#6820)
942e9c3 feat(dgraph): making all internal communications with tls configured (#6876)
c66f67f feat(dgraph): enabling TLS config in http zero (#6691) (#6867)
c0c8b1d (release/v20.07) Fix(Dgraph): Type names in exported schema are surrounded by brackets. (#6679)
2fd793d Generic alpha log error message for failed ACL login (#6848) (#6850)
4d2c64b fix(ludicrous mode): Handle deletes correctly (#6773) (#6832)
d295369 fix(GraphQL): This PR fix panic error when we give null value in filter connectives. (#6707) (#6729)
2f9fc14 fix(GraphQL): This PR reduces polling duration of subscriptions. (#6661) (#6726)
6a01159 Fix(GraphQL): This PR add enable schema cleaning in GraphQL and reduce schema update time. (#6725)
73e8738 fix(worker): Avoid panic in handleUidPostings (#6607) (#6701)
d117fc1 fix(gqlParser): Handle strings with only whitespace in parseID (#6615) (#6674)
f8f7c42 fix(Ludicrous): Upserts on list type in Dgraph (#6796)