Resolves: #1952792 (IMAPx: Fix connect to iCloud mail server)

Resolves: #1862403 (CVE-2020-16117: Crash on malformed server response with minimal capabilities)

Resolves: #1859141 (CVE-2020-14928: Response Injection via STARTTLS in SMTP and POP3)

Resolves: #1791547 (test-cal-meta-backend cannot run without installed Evolution)

Add patch for RH bug #1788478 (EDBusServer: Delay new module load)

Update patch for RH bug #1713619 (test-cal-client-get-revision could fail due to delayed D-Bus property change notification)

Add patch related to evolution-ews' CVE-2019-3890 (RH bug #1696763)

Update patch for RH bug #1654203 (Make tests retry when factory doesn't know about added ESource yet)

Add patch for RH bug #1655030 (Make EVCardAttribute/EVCardAttributeParam structures ref-counted internally)

Add patch for RH bug #1654720 (Correct use-after-free in e_vcard_attribute_remove_param_value())
Add patch for RH bug #1654783 (test-cal-client-get-revision could fail due to delayed D-Bus property change notification)

Add patch for RH bug #1654310 ([CalDAV/CardDAV] Ignore Not Found error on resource delete)

Add patch for RH bug #1654203 (Make tests retry when factory doesn't know about added ESource yet)

Add patch for RH bug #1653232 ([CalDAV/CardDAV] Can add component to local cache with incomplete info)

Add patch for RH bug #1624835 (Quoting of plain text mail into HTML mode mangles deeper levels)

Fix BuildRequires for /usr/bin/python3
Resolves: #1615515

Update to 3.28.5