Fix sk_msg tests

These were broken by #89 which pulled in
https://github.com/aya-rs/aya/pull/397 and other changes which were not
reflected in the templates.

{{project-name}}-common/Cargo.toml

@@ -8,7 +8,7 @@ default = []
 user = ["aya"]
 
 [dependencies]
-aya = { version = ">=0.11", optional = true }
+aya = { git = "https://github.com/aya-rs/aya", optional = true }
 
 [lib]
 path = "src/lib.rs"

{{project-name}}/src/main.rs

@@ -10,7 +10,7 @@ use aya::programs::UProbe;
 {%- when "sock_ops" -%}
 use aya::programs::SockOps;
 {%- when "sk_msg" -%}
-use aya::maps::{MapRefMut,SockHash};
+use aya::maps::SockHash;
 use aya::programs::SkMsg;
 use {{crate_name}}_common::SockKey;
 {%- when "xdp" -%}
@@ -112,10 +112,12 @@ async fn main() -> Result<(), anyhow::Error> {
     program.load()?;
     program.attach(cgroup)?;
     {%- when "sk_msg" -%}
-    let sock_map = SockHash::<MapRefMut, SockKey>::try_from(bpf.map_mut("{{sock_map}}")?)?;
+    let sock_map: SockHash::<_, SockKey> = bpf.map("{{sock_map}}").unwrap().try_into()?;
+    let map_fd = sock_map.fd()?;
+
     let prog: &mut SkMsg = bpf.program_mut("{{crate_name}}").unwrap().try_into()?;
     prog.load()?;
-    prog.attach(&sock_map)?;
+    prog.attach(map_fd)?;
     // insert sockets to the map using sock_map.insert here, or from a sock_ops program
     {%- when "xdp" -%}
     let program: &mut Xdp = bpf.program_mut("{{crate_name}}").unwrap().try_into()?;