Bump github.com/spiffe/go-spiffe/v2 from 2.0.0 to 2.1.0 (sigstore#1828)

Bumps [github.com/spiffe/go-spiffe/v2](https://github.com/spiffe/go-spiffe) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/spiffe/go-spiffe/releases)
- [Changelog](https://github.com/spiffe/go-spiffe/blob/main/CHANGELOG.md)
- [Commits](spiffe/go-spiffe@v2.0.0...v2.1.0)

---
updated-dependencies:
- dependency-name: github.com/spiffe/go-spiffe/v2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -41,7 +41,7 @@ require (
 	github.com/sigstore/sigstore v1.2.1-0.20220424143412-3d41663116d5
 	github.com/spf13/cobra v1.4.0
 	github.com/spf13/viper v1.11.0
-	github.com/spiffe/go-spiffe/v2 v2.0.0
+	github.com/spiffe/go-spiffe/v2 v2.1.0
 	github.com/stretchr/testify v1.7.1
 	github.com/theupdateframework/go-tuf v0.0.0-20220211205608-f0c3294f63b9
 	github.com/titanous/rocacheck v0.0.0-20171023193734-afe73141d399
@@ -124,6 +124,7 @@ require (
 	github.com/Azure/go-autorest/autorest/validation v0.3.1 // indirect
 	github.com/Azure/go-autorest/logger v0.2.1 // indirect
 	github.com/Azure/go-autorest/tracing v0.6.0 // indirect
+	github.com/Microsoft/go-winio v0.5.2 // indirect
 	github.com/OneOfOne/xxhash v1.2.8 // indirect
 	github.com/PaesslerAG/gval v1.0.0 // indirect
 	github.com/PaesslerAG/jsonpath v0.1.1 // indirect

go.sum

@@ -217,6 +217,8 @@ github.com/Microsoft/go-winio v0.4.17-0.20210211115548-6eac466e5fa3/go.mod h1:JP
 github.com/Microsoft/go-winio v0.4.17-0.20210324224401-5516f17a5958/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
 github.com/Microsoft/go-winio v0.4.17/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
 github.com/Microsoft/go-winio v0.5.1/go.mod h1:JPGBdM1cNvN/6ISo+n8V5iA4v8pBzdOpzfwIujj1a84=
+github.com/Microsoft/go-winio v0.5.2 h1:a9IhgEQBCUEk6QCdml9CiJGhAws+YwffDHEMp1VMrpA=
+github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
 github.com/Microsoft/hcsshim v0.8.6/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg=
 github.com/Microsoft/hcsshim v0.8.7-0.20190325164909-8abdbb8205e4/go.mod h1:Op3hHsoHPAvb6lceZHDtd9OkTew38wNoXnJs8iY7rUg=
 github.com/Microsoft/hcsshim v0.8.7/go.mod h1:OHd7sQqRFrYd3RmSgbgji+ctCwkbq2wbEYNSzOYtcBQ=
@@ -2109,8 +2111,8 @@ github.com/spf13/viper v1.10.0/go.mod h1:SoyBPwAtKDzypXNDFKN5kzH7ppppbGZtls1UpIy
 github.com/spf13/viper v1.10.1/go.mod h1:IGlFPqhNAPKRxohIzWpI5QEy4kuI7tcl5WvR+8qy1rU=
 github.com/spf13/viper v1.11.0 h1:7OX/1FS6n7jHD1zGrZTM7WtY13ZELRyosK4k93oPr44=
 github.com/spf13/viper v1.11.0/go.mod h1:djo0X/bA5+tYVoCn+C7cAYJGcVn/qYLFTG8gdUsX7Zk=
-github.com/spiffe/go-spiffe/v2 v2.0.0 h1:y6N7BZAxgaFZYELyrIdxSMm2e2tWpzgQewUts9h1hfM=
-github.com/spiffe/go-spiffe/v2 v2.0.0/go.mod h1:TEfgrEcyFhuSuvqohJt6IxENUNeHfndWCCV1EX7UaVk=
+github.com/spiffe/go-spiffe/v2 v2.1.0 h1:IZRlWhyFpPbJOiK8K+MwEFPU/QCdaW4Zf5bmIKBd3XM=
+github.com/spiffe/go-spiffe/v2 v2.1.0/go.mod h1:5qg6rpqlwIub0JAiF1UK9IMD6BpPTmvG6yfSgDBs5lg=
 github.com/src-d/gcfg v1.4.0/go.mod h1:p/UMsR43ujA89BJY9duynAwIpvqEujIH/jFlfL7jWoI=
 github.com/ssgreg/nlreturn/v2 v2.2.1/go.mod h1:E/iiPB78hV7Szg2YfRgyIrk1AD6JVMTRkkxBiELzh2I=
 github.com/stefanberger/go-pkcs11uri v0.0.0-20201008174630-78d3cae3a980/go.mod h1:AO3tvPzVZ/ayst6UlUKUv6rcPQInYe3IknH3jYhAKu8=