fix: docker build failing

Author: hackermondev

Diff for: Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.70 as builder
+FROM rust:1.75 as builder
 WORKDIR /usr/src/sexurity
 
 COPY . .

Diff for: src/sexurity-discord/src/subscriptions/reputation.rs

@@ -162,7 +162,7 @@ fn build_embed_data(diff: Vec<models::RepData>, handle: &str) -> Option<Embed> {
             let breakdown = breakdown.to_string();
             if breakdown.len() > 0 {
                 if footer.len() > 0 {
-                    footer += "| "
+                    footer += " • "
                 };
 
                 footer += &breakdown;