chore(go/adbc): Bump google.golang.org/api in /go/adbc

Bumps [google.golang.org/api](https://github.com/googleapis/google-api-go-client) from 0.267.0 to 0.268.0.
- [Release notes](https://github.com/googleapis/google-api-go-client/releases)
- [Changelog](https://github.com/googleapis/google-api-go-client/blob/main/CHANGES.md)
- [Commits](googleapis/google-api-go-client@v0.267.0...v0.268.0)

---
updated-dependencies:
- dependency-name: google.golang.org/api
  dependency-version: 0.268.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go/adbc/go.mod

@@ -43,7 +43,7 @@ require (
 	golang.org/x/oauth2 v0.35.0
 	golang.org/x/sync v0.19.0
 	golang.org/x/tools v0.42.0
-	google.golang.org/api v0.267.0
+	google.golang.org/api v0.268.0
 	google.golang.org/grpc v1.79.1
 	google.golang.org/protobuf v1.36.11
 	modernc.org/sqlite v1.46.0

go/adbc/go.sum

@@ -403,8 +403,8 @@ golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da h1:noIWHXmPHxILtqtCOPIhS
 golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da/go.mod h1:NDW/Ps6MPRej6fsCIbMTohpP40sJ/P/vI1MoTEGwX90=
 gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
 gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
-google.golang.org/api v0.267.0 h1:w+vfWPMPYeRs8qH1aYYsFX68jMls5acWl/jocfLomwE=
-google.golang.org/api v0.267.0/go.mod h1:Jzc0+ZfLnyvXma3UtaTl023TdhZu6OMBP9tJ+0EmFD0=
+google.golang.org/api v0.268.0 h1:hgA3aS4lt9rpF5RCCkX0Q2l7DvHgvlb53y4T4u6iKkA=
+google.golang.org/api v0.268.0/go.mod h1:HXMyMH496wz+dAJwD/GkAPLd3ZL33Kh0zEG32eNvy9w=
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20260128011058-8636f8732409 h1:VQZ/yAbAtjkHgH80teYd2em3xtIkkHd7ZhqfH2N9CsM=
 google.golang.org/genproto v0.0.0-20260128011058-8636f8732409/go.mod h1:rxKD3IEILWEu3P44seeNOAwZN4SaoKaQ/2eTg4mM6EM=