🌱(deps): Bump the all-go-deps group with 1 update

Bumps the all-go-deps group with 1 update: [cloud.google.com/go/kms](https://github.com/googleapis/google-cloud-go).

- [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/v1.15.2...kms/v1.15.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -3,7 +3,7 @@ module github.com/transparency-dev/armored-witness
 go 1.20
 
 require (
-	cloud.google.com/go/kms v1.15.2
+	cloud.google.com/go/kms v1.15.3
 	github.com/coreos/go-semver v0.3.1
 	github.com/flynn/hid v0.0.0-20190502022136-f1b9b6cc019a
 	github.com/flynn/u2f v0.0.0-20180613185708-15554eb68e5d

go.sum

@@ -7,8 +7,8 @@ cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGB
 cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
 cloud.google.com/go/iam v1.1.0 h1:67gSqaPukx7O8WLLHMa0PNs3EBGd2eE4d+psbO/CO94=
 cloud.google.com/go/iam v1.1.0/go.mod h1:nxdHjaKfCr7fNYx/HJMM8LgiMugmveWlkatear5gVyk=
-cloud.google.com/go/kms v1.15.2 h1:lh6qra6oC4AyWe5fUUUBe/S27k12OHAleOOOw6KakdE=
-cloud.google.com/go/kms v1.15.2/go.mod h1:3hopT4+7ooWRCjc2DxgnpESFxhIraaI2IpAVUEhbT/w=
+cloud.google.com/go/kms v1.15.3 h1:RYsbxTRmk91ydKCzekI2YjryO4c5Y2M80Zwcs9/D/cI=
+cloud.google.com/go/kms v1.15.3/go.mod h1:AJdXqHxS2GlPyduM99s9iGqi2nwbviBbhV/hdmt4iOQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=