Bump github.com/hashicorp/hcl/v2 to v2.16.2

This commit updates github.com/hashicorp/hcl/v2 to the last known release of HCL/v2
that does not rely on v1.13.0 of github.com/zclconf/go-cty.

go.mod

@@ -40,7 +40,7 @@ require (
 	github.com/hashicorp/go-retryablehttp v0.7.0 // indirect
 	github.com/hashicorp/go-version v1.6.0
 	github.com/hashicorp/golang-lru v0.5.4 // indirect
-	github.com/hashicorp/hcl/v2 v2.13.0
+	github.com/hashicorp/hcl/v2 v2.16.2
 	github.com/hashicorp/vault/api v1.1.1
 	github.com/hashicorp/yamux v0.0.0-20210826001029-26ff87cf9493
 	github.com/imdario/mergo v0.3.12 // indirect

go.sum

@@ -246,8 +246,8 @@ github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+l
 github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
-github.com/hashicorp/hcl/v2 v2.13.0 h1:0Apadu1w6M11dyGFxWnmhhcMjkbAiKCv7G1r/2QgCNc=
-github.com/hashicorp/hcl/v2 v2.13.0/go.mod h1:e4z5nxYlWNPdDSNYX+ph14EvWYMFm3eP0zIUqPc2jr0=
+github.com/hashicorp/hcl/v2 v2.16.2 h1:mpkHZh/Tv+xet3sy3F9Ld4FyI2tUpWe9x3XtPx9f1a0=
+github.com/hashicorp/hcl/v2 v2.16.2/go.mod h1:JRmR89jycNkrrqnMmvPDMd56n1rQJ2Q6KocSLCMCXng=
 github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
 github.com/hashicorp/mdns v1.0.1/go.mod h1:4gW7WsVCke5TE7EPeYliwHlRUyBtfCwuFwuMg2DmyNY=
 github.com/hashicorp/memberlist v0.2.2 h1:5+RffWKwqJ71YPu9mWsF7ZOscZmwfasdA8kbdC7AO2g=