Moderate: dovecot security and bug fix update (Oracle Linux 8)

[1:2.2.36-10]
- fix CVE-2019-11500: IMAP protocol parser does not properly handle NUL byte
when scanning data in quoted strings, leading to out of bounds heap
memory writes (#1741788)

[1:2.2.36-9]
- reset errno before iterating through users (#1630410)

[1:2.2.36-8]
- fix CVE-2019-3814: improper certificate validation (#1674370)

[1:2.2.36-7]
- do not print error message when restorecon is not present
during install (#1626395)
- change default config to use minimal UID = 1000 (#1630410)

[1:2.2.36-6]
- use OpenSSl implementation of HMAC, disable CRAM-MD5 when FIPS is enabled (#1618749)