Bump dnspython from 2.6.1 to 2.7.0 (#2440)

* Bump dnspython from 2.6.1 to 2.7.0

Bumps [dnspython](https://github.com/rthalley/dnspython) from 2.6.1 to 2.7.0.
- [Release notes](https://github.com/rthalley/dnspython/releases)
- [Changelog](https://github.com/rthalley/dnspython/blob/main/doc/whatsnew.rst)
- [Commits](https://github.com/rthalley/dnspython/compare/v2.6.1...v2.7.0)

---
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==2.7.0

---------

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

@@ -47,9 +47,17 @@ class PrivateECDSA(CryptographyPrivateKey):
     key_cls = ec.EllipticCurvePrivateKey
     public_cls = PublicECDSA
 
-    def sign(self, data: bytes, verify: bool = False) -> bytes:
+    def sign(
+        self,
+        data: bytes,
+        verify: bool = False,
+        deterministic: bool = True,
+    ) -> bytes:
         """Sign using a private key per RFC 6605, section 4."""
-        der_signature = self.key.sign(data, ec.ECDSA(self.public_cls.chosen_hash))
+        algorithm = ec.ECDSA(
+            self.public_cls.chosen_hash, deterministic_signing=deterministic
+        )
+        der_signature = self.key.sign(data, algorithm)
         dsa_r, dsa_s = utils.decode_dss_signature(der_signature)
         signature = int.to_bytes(
             dsa_r, length=self.public_cls.octets, byteorder="big"