Bump golang.org/x/sync from 0.2.0 to 0.3.0 (#99)

Bumps [golang.org/x/sync](https://github.com/golang/sync) from 0.2.0 to
0.3.0.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/golang/sync/commit/93782cc822b6b554cb7df40332fd010f0473cbc8"><code>93782cc</code></a>
errgroup: use WithCancelCause to cancel context</li>
<li><a
href="https://github.com/golang/sync/commit/4966af63bb0cd2fe6d8cf9198904d30401b05fbd"><code>4966af6</code></a>
singleflight: example for using Group</li>
<li><a
href="https://github.com/golang/sync/commit/a6666c150eb9762365996ad2f3a8c35b0818d7bb"><code>a6666c1</code></a>
go.mod: upgrade to go 1.17</li>
<li>See full diff in <a
href="https://github.com/golang/sync/compare/v0.2.0...v0.3.0">compare
view</a></li>
</ul>
</details>
<br />


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go.mod

@@ -13,7 +13,7 @@ require (
 	github.com/hashicorp/terraform-plugin-log v0.9.0
 	github.com/hashicorp/terraform-plugin-testing v1.2.0
 	github.com/sigstore/cosign/v2 v2.0.3-0.20230425232139-17cc13812d8a
-	golang.org/x/sync v0.2.0
+	golang.org/x/sync v0.3.0
 	gopkg.in/yaml.v2 v2.4.0
 	k8s.io/apimachinery v0.27.2
 	knative.dev/pkg v0.0.0-20230502134655-db8a35330281

go.sum

@@ -546,8 +546,8 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.2.0 h1:PUR+T4wwASmuSTYdKjYHI5TD22Wy5ogLU5qZCOLxBrI=
-golang.org/x/sync v0.2.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
+golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=