Bump dnspython from 2.0.0 to 2.2.0 (#1618)

* Bump dnspython from 2.0.0 to 2.2.0

Bumps [dnspython]() from 2.0.0 to 2.2.0.

---
updated-dependencies:
- dependency-name: dnspython
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update dnspython==2.2.0

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

[skip ci]

lib/dns/flags.py

@@ -37,8 +37,6 @@ class Flag(enum.IntFlag):
     #: Checking Disabled
     CD = 0x0010
 
-globals().update(Flag.__members__)
-
 
 # EDNS flags
 
@@ -47,9 +45,6 @@ class EDNSFlag(enum.IntFlag):
     DO = 0x8000
 
 
-globals().update(EDNSFlag.__members__)
-
-
 def _from_text(text, enum_class):
     flags = 0
     tokens = text.split()
@@ -104,3 +99,21 @@ def edns_to_text(flags):
     """
 
     return _to_text(flags, EDNSFlag)
+
+### BEGIN generated Flag constants
+
+QR = Flag.QR
+AA = Flag.AA
+TC = Flag.TC
+RD = Flag.RD
+RA = Flag.RA
+AD = Flag.AD
+CD = Flag.CD
+
+### END generated Flag constants
+
+### BEGIN generated EDNSFlag constants
+
+DO = EDNSFlag.DO
+
+### END generated EDNSFlag constants