execute go mod tidy

go.sum

@@ -1,7 +1,5 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
-github.com/kr/pretty v0.2.0 h1:s5hAObm+yFO5uHYt5dYjxi2rXrsnmRpJx4OYvIWUaQs=
-github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
@@ -13,10 +11,7 @@ github.com/otiai10/marmoset v0.4.0 h1:Hg59lQI7qQowBEdsAJ/+VDTEospTBzXX/A1Gsw4mlv
 github.com/otiai10/marmoset v0.4.0/go.mod h1:t2q6dXWZ9YcFdRREDApX4bCmfQnL3isJ2dgl8ychlXg=
 github.com/otiai10/mint v1.3.0 h1:Ady6MKVezQwHBkGzLFbrsywyp09Ah7rkmfjV3Bcr5uc=
 github.com/otiai10/mint v1.3.0/go.mod h1:F5AjcsTsWUqX+Na9fpHb52P8pcRX2CI6A3ctIT91xUo=
-github.com/otiai10/opengraph v1.1.1 h1:zaHbzhegXGqxVpiI7xlQQ0vKBWvHJbagnUjDC40sFtQ=
-github.com/otiai10/opengraph v1.1.1/go.mod h1:ZMbPcfiSRSsg3+yrWZCXrgYL6kEK4KpH4GG1iyIvEXs=
-github.com/otiai10/opengraph v1.1.2 h1:ajv2DTAh62p6wv1bXxnje+9K/AATJROtjnmk6Ml7Ro8=
-github.com/otiai10/opengraph v1.1.2/go.mod h1:ZMbPcfiSRSsg3+yrWZCXrgYL6kEK4KpH4GG1iyIvEXs=
+github.com/otiai10/opengraph v1.1.3 h1:4RoX4yckU/eaj34XxwoyNFvuPVrmjcUHMyAgjJL1Pwg=
 github.com/otiai10/opengraph v1.1.3/go.mod h1:ZMbPcfiSRSsg3+yrWZCXrgYL6kEK4KpH4GG1iyIvEXs=
 github.com/p1ass/feeds v1.1.1 h1:ah6XlzYVT3RCie+KYeqOgoGvn1IepKYLjI8jzPNeMs8=
 github.com/p1ass/feeds v1.1.1/go.mod h1:FV21uIHg0+tWMbO9u0qzQmf1cwF5E+nO/ZkfAu1rCAY=