Update package-spec to 1.3.0 (#586)

Author: jsoriano

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/elastic/go-elasticsearch/v7 v7.15.1
 	github.com/elastic/go-licenser v0.4.0
 	github.com/elastic/go-ucfg v0.8.4
-	github.com/elastic/package-spec v1.2.0
+	github.com/elastic/package-spec v1.3.0
 	github.com/fatih/color v1.13.0
 	github.com/go-git/go-billy/v5 v5.3.1
 	github.com/go-git/go-git/v5 v5.4.2

go.sum

@@ -341,8 +341,8 @@ github.com/elastic/go-licenser v0.4.0 h1:jLq6A5SilDS/Iz1ABRkO6BHy91B9jBora8FwGRs
 github.com/elastic/go-licenser v0.4.0/go.mod h1:V56wHMpmdURfibNBggaSBfqgPxyT1Tldns1i87iTEvU=
 github.com/elastic/go-ucfg v0.8.4 h1:OAHTnubzXKsYYYWVzl8psLcS5mCbNKjXxtMY41itthk=
 github.com/elastic/go-ucfg v0.8.4/go.mod h1:4E8mPOLSUV9hQ7sgLEJ4bvt0KhMuDJa8joDT2QGAEKA=
-github.com/elastic/package-spec v1.2.0 h1:uCWMNxM8fq+lkO67Ddgi1IwAoZIjfxcNyYpyWAXjPG8=
-github.com/elastic/package-spec v1.2.0/go.mod h1:KzGTSDqCkdhmL1IFpOH2ZQNSSE9JEhNtndxU3ZrQilA=
+github.com/elastic/package-spec v1.3.0 h1:ntd8EfZ0heZqaZdZpyHJPBFUml9LMlSSZTp04dLZyAg=
+github.com/elastic/package-spec v1.3.0/go.mod h1:KzGTSDqCkdhmL1IFpOH2ZQNSSE9JEhNtndxU3ZrQilA=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153 h1:yUdfgN0XgIJw7foRItutHYUIhlcKzcSf5vDpdhQAKTc=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
 github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=