dovecot: upgrade 2.3.21 -> 2.3.21.1

Release Notes:
- CVE-2024-23184: A large number of address headers in email resulted
  in excessive CPU usage.
- CVE-2024-23185: Abnormally large email headers are now truncated or
  discarded, with a limit of 10MB on a single header and 50MB for all
  the headers of all the parts of an email.
- oauth2: Dovecot would send client_id and client_secret as POST parameters
  to introspection server. These need to be optionally in Basic auth
  instead as required by OIDC specification.
- oauth2: JWT key type check was too strict.
- oauth2: JWT token audience was not validated against client_id as
  required by OIDC specification.
- oauth2: XOAUTH2 and OAUTHBEARER mechanisms were not giving out
  protocol specific error message on all errors. This broke OIDC discovery.
- oauth2: JWT aud validation was not performed if aud was missing
  from token, but was configured on Dovecot.

Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Signed-off-by: Anuj Mittal <anuj.mittal@oss.qualcomm.com>

meta-networking/recipes-support/dovecot/dovecot_2.3.21.1.bb

@@ -13,7 +13,7 @@ SRC_URI = "http://dovecot.org/releases/2.3/dovecot-${PV}.tar.gz \
            file://0001-m4-Check-for-libunwind-instead-of-libunwind-generic.patch \
            file://0001-auth-Fix-handling-passdbs-with-identical-driver-args.patch \
            "
-SRC_URI[sha256sum] = "05b11093a71c237c2ef309ad587510721cc93bbee6828251549fc1586c36502d"
+SRC_URI[sha256sum] = "2d90a178c4297611088bf7daae5492a3bc3d5ab6328c3a032eb425d2c249097e"
 
 DEPENDS = "openssl xz zlib bzip2 libcap icu libtirpc bison-native"
 CFLAGS += "-I${STAGING_INCDIR}/tirpc"