fix(deps): update module code.gitea.io/sdk/gitea to v0.20.0 (#87)

Reviewed-on: https://gitea.com/gitea/terraform-provider-gitea/pulls/87
Co-authored-by: Renovate Bot <[email protected]>
Co-committed-by: Renovate Bot <[email protected]>

Author: Renovate Bot

go.mod

@@ -5,13 +5,14 @@ go 1.22.7
 toolchain go1.23.4
 
 require (
-	code.gitea.io/sdk/gitea v0.19.0
+	code.gitea.io/sdk/gitea v0.20.0
 	github.com/hashicorp/terraform-plugin-docs v0.20.1
 	github.com/hashicorp/terraform-plugin-log v0.9.0
 	github.com/hashicorp/terraform-plugin-sdk/v2 v2.35.0
 )
 
 require (
+	github.com/42wim/httpsig v1.2.1 // indirect
 	github.com/BurntSushi/toml v1.2.1 // indirect
 	github.com/Kunde21/markdownfmt/v3 v3.1.0 // indirect
 	github.com/Masterminds/goutils v1.1.1 // indirect

go.sum

@@ -11,6 +11,10 @@ code.gitea.io/sdk/gitea v0.18.0 h1:+zZrwVmujIrgobt6wVBWCqITz6bn1aBjnCUHmpZrerI=
 code.gitea.io/sdk/gitea v0.18.0/go.mod h1:IG9xZJoltDNeDSW0qiF2Vqx5orMWa7OhVWrjvrd5NpI=
 code.gitea.io/sdk/gitea v0.19.0 h1:8I6s1s4RHgzxiPHhOQdgim1RWIRcr0LVMbHBjBFXq4Y=
 code.gitea.io/sdk/gitea v0.19.0/go.mod h1:IG9xZJoltDNeDSW0qiF2Vqx5orMWa7OhVWrjvrd5NpI=
+code.gitea.io/sdk/gitea v0.20.0 h1:Zm/QDwwZK1awoM4AxdjeAQbxolzx2rIP8dDfmKu+KoU=
+code.gitea.io/sdk/gitea v0.20.0/go.mod h1:faouBHC/zyx5wLgjmRKR62ydyvMzwWf3QnU0bH7Cw6U=
+github.com/42wim/httpsig v1.2.1 h1:oLBxptMe9U4ZmSGtkosT8Dlfg31P3VQnAGq6psXv82Y=
+github.com/42wim/httpsig v1.2.1/go.mod h1:P/UYo7ytNBFwc+dg35IubuAUIs8zj5zzFIgUCEl55WY=
 github.com/BurntSushi/toml v1.2.1 h1:9F2/+DoOYIOksmaJFPw1tGFy1eDnIJXg+UHjuD8lTak=
 github.com/BurntSushi/toml v1.2.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/Kunde21/markdownfmt/v3 v3.1.0 h1:KiZu9LKs+wFFBQKhrZJrFZwtLnCCWJahL+S+E/3VnM0=