Bump github.com/google/go-tpm-tools from 0.2.0 to 0.2.1 (#196)

Bumps [github.com/google/go-tpm-tools](https://github.com/google/go-tpm-tools) from 0.2.0 to 0.2.1.
- [Release notes](https://github.com/google/go-tpm-tools/releases)
- [Commits](google/go-tpm-tools@v0.2.0...v0.2.1)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/google/certificate-transparency-go v1.1.1
 	github.com/google/go-cmp v0.5.4
 	github.com/google/go-tpm v0.3.2
-	github.com/google/go-tpm-tools v0.2.0
+	github.com/google/go-tpm-tools v0.2.1
 	github.com/google/go-tspi v0.2.1-0.20190423175329-115dea689aad
 	golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9 // indirect
 	golang.org/x/sys v0.0.0-20201207223542-d4d67f95c62d

go.sum

@@ -159,6 +159,8 @@ github.com/google/go-tpm v0.3.2/go.mod h1:j71sMBTfp3X5jPHz852ZOfQMUOf65Gb/Th8pRm
 github.com/google/go-tpm-tools v0.0.0-20190906225433-1614c142f845/go.mod h1:AVfHadzbdzHo54inR2x1v640jdi1YSi3NauM2DUsxk0=
 github.com/google/go-tpm-tools v0.2.0 h1:pBflcn8x5iFohPScqlmLaImrC7ts/EUJa7ZY4FkTFq4=
 github.com/google/go-tpm-tools v0.2.0/go.mod h1:npUd03rQ60lxN7tzeBJreG38RvWwme2N1reF/eeiBk4=
+github.com/google/go-tpm-tools v0.2.1 h1:ccJyNegvp2oq6C0duNPgiN9bwLEXi793gbxzD67j5kI=
+github.com/google/go-tpm-tools v0.2.1/go.mod h1:npUd03rQ60lxN7tzeBJreG38RvWwme2N1reF/eeiBk4=
 github.com/google/go-tspi v0.2.1-0.20190423175329-115dea689aad h1:LnpS22S8V1HqbxjveESGAazHhi6BX9SwI2Rij7qZcXQ=
 github.com/google/go-tspi v0.2.1-0.20190423175329-115dea689aad/go.mod h1:xfMGI3G0PhxCdNVcYr1C4C+EizojDg/TXuX5by8CiHI=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=