fix(deps): update module github.com/joho/godotenv to v1.4.0 (#55)

Author: renovate[bot]

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/coreos/go-semver v0.3.0
 	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
 	github.com/drone-plugins/drone-plugin-lib v0.4.0
-	github.com/joho/godotenv v1.3.0
+	github.com/joho/godotenv v1.4.0
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/sirupsen/logrus v1.8.1
 	github.com/urfave/cli/v2 v2.3.0

go.sum

@@ -12,6 +12,8 @@ github.com/drone-plugins/drone-plugin-lib v0.4.0/go.mod h1:EgqogX38GoJFtckeSQyhB
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
 github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
+github.com/joho/godotenv v1.4.0 h1:3l4+N6zfMWnkbPEXKng2o2/MR5mSwTrBih4ZEkkz1lg=
+github.com/joho/godotenv v1.4.0/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=