chore(deps): bump cloud.google.com/go/kms from 1.20.3 to 1.20.4 (#468)

Bumps [cloud.google.com/go/kms](https://github.com/googleapis/google-cloud-go) from 1.20.3 to 1.20.4.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/CHANGES.md)
- [Commits](googleapis/google-cloud-go@kms/v1.20.3...kms/v1.20.4)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/kms
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -144,7 +144,7 @@ require (
 )
 
 require (
-	cloud.google.com/go/kms v1.20.3
+	cloud.google.com/go/kms v1.20.4
 	github.com/gateway-fm/vectorized-poseidon-gold v1.0.0
 	github.com/google/tink/go v1.7.0
 	github.com/iden3/go-iden3-crypto v0.0.17

go.sum

@@ -11,8 +11,8 @@ cloud.google.com/go/datastore v1.20.0 h1:NNpXoyEqIJmZFc0ACcwBEaXnmscUpcG4NkKnbCe
 cloud.google.com/go/datastore v1.20.0/go.mod h1:uFo3e+aEpRfHgtp5pp0+6M0o147KoPaYNaPAKpfh8Ew=
 cloud.google.com/go/iam v1.2.2 h1:ozUSofHUGf/F4tCNy/mu9tHLTaxZFLOUiKzjcgWHGIA=
 cloud.google.com/go/iam v1.2.2/go.mod h1:0Ys8ccaZHdI1dEUilwzqng/6ps2YB6vRsjIe00/+6JY=
-cloud.google.com/go/kms v1.20.3 h1:a61yIN5LN8ozWxOC6tjUx5V5SEzfkS+b69kYMQfzGzE=
-cloud.google.com/go/kms v1.20.3/go.mod h1:YvX+xhp2E2Sc3vol5IcRlBhH14Ecl3kegUY/DtH7EWQ=
+cloud.google.com/go/kms v1.20.4 h1:CJ0hMpOg1ANN9tx/a/GPJ+Uxudy8k6f3fvGFuTHiE5A=
+cloud.google.com/go/kms v1.20.4/go.mod h1:gPLsp1r4FblUgBYPOcvI/bUPpdMg2Jm1ZVKU4tQUfcc=
 cloud.google.com/go/longrunning v0.6.2 h1:xjDfh1pQcWPEvnfjZmwjKQEcHnpz6lHjfy7Fo0MK+hc=
 cloud.google.com/go/longrunning v0.6.2/go.mod h1:k/vIs83RN4bE3YCswdXC5PFfWVILjm3hpEUlSko4PiI=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=