chore(deps): update module github.com/hbstack/header to v0.16.6

Author: renovate[bot]

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/gohugoio/hugo-mod-bootstrap-scss/v5 v5.20300.20400 // indirect
 	github.com/hbstack/footer v0.4.1 // indirect
 	github.com/hbstack/hb v0.16.0 // indirect
-	github.com/hbstack/header v0.16.5 // indirect
+	github.com/hbstack/header v0.16.6 // indirect
 	github.com/hugomods/base v0.7.2 // indirect
 	github.com/hugomods/hugopress v0.5.0 // indirect
 	github.com/hugomods/icons v0.6.6 // indirect

go.sum

@@ -19,6 +19,7 @@ github.com/hbstack/header v0.16.2/go.mod h1:ruhJLStQ+YHY31W/PpcBSuvKJbWENbbB9RmN
 github.com/hbstack/header v0.16.3/go.mod h1:4f3Nhslt+UQ1Fo82HuspQO7jLJ/UrZ8GgDKImiZx5FA=
 github.com/hbstack/header v0.16.4/go.mod h1:4f3Nhslt+UQ1Fo82HuspQO7jLJ/UrZ8GgDKImiZx5FA=
 github.com/hbstack/header v0.16.5/go.mod h1:ZfeQNeNWaBeGPBZHtbRz2W9IWkmIoMrpOXoDsoYa/Gg=
+github.com/hbstack/header v0.16.6/go.mod h1:ZfeQNeNWaBeGPBZHtbRz2W9IWkmIoMrpOXoDsoYa/Gg=
 github.com/hugomods/base v0.7.2 h1:SShNl7koN79CEUdGQ65Knbf/c2k+bE+El5ManYWd8Cg=
 github.com/hugomods/base v0.7.2/go.mod h1:hnWCPbVxuhXBwdFax3mmbMlWKmIo/7OP36MCLOyHtT4=
 github.com/hugomods/hugopress v0.5.0 h1:eQHg1aKnc5StGFnV5H0BORhE0UmHYpaWHnX9QNseHrw=