MINOR: [Go] Bump golang.org/x/sync from 0.7.0 to 0.8.0 in /go (#43569)

Bumps [golang.org/x/sync](https://github.com/golang/sync) from 0.7.0 to 0.8.0.
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/golang/sync/commit/411f99ef121375a146e962b6eab78b03b7429483"><code>411f99e</code></a> LICENSE: update per Google Legal</li>
<li>See full diff in <a href="https://github.com/golang/sync/compare/v0.7.0...v0.8.0">compare view</a></li>
</ul>
</details>
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Authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Signed-off-by: Matt Topol <[email protected]>

go/go.mod

@@ -35,7 +35,7 @@ require (
 	github.com/stretchr/testify v1.9.0
 	github.com/zeebo/xxh3 v1.0.2
 	golang.org/x/exp v0.0.0-20240222234643-814bf88cf225
-	golang.org/x/sync v0.7.0
+	golang.org/x/sync v0.8.0
 	golang.org/x/sys v0.22.0
 	golang.org/x/tools v0.23.0
 	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028

go/go.sum

@@ -121,8 +121,8 @@ golang.org/x/mod v0.19.0 h1:fEdghXQSo20giMthA7cd28ZC+jts4amQ3YMXiP5oMQ8=
 golang.org/x/mod v0.19.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
 golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
-golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=