maint: fix lintian warnings (#172)

This is required to make the MIR approval process smoother.

debian/control

@@ -9,7 +9,6 @@ Build-Depends: debhelper-compat (= 13),
                dh-golang,
                golang-go (>= 2:1.21~),
                jq,
-               libpam0g-dev,
                libc6-dev (>= 2.35),
                libpam0g-dev,
                pkg-config,
@@ -20,6 +19,7 @@ XS-Vendored-Sources-Rust: [email protected], [email protected], [email protected], any
 Homepage: https://github.com/ubuntu/authd
 Vcs-Browser: https://github.com/ubuntu/authd
 Vcs-Git: https://github.com/ubuntu/authd.git
+Rules-Requires-Root: no
 Description: Authentication daemon for cloud-based identity provider
  .
  Authd is a versatile authentication service designed to seamlessly integrate

debian/source/lintian-overrides

@@ -1,2 +1,5 @@
 # We must specify the XS-Vendored-Sources-Rust field in control to use the vendored dependencies.
 authd source: unknown-field Vendored-Sources-Rust
+
+# Examples are shipped in rust vendorised code but obviously not installed
+authd source: package-does-not-install-examples [vendor_rust/*]