fix(backend): fix type error(s) in security fixes (#15009)

* Fix type error in security fixes

(cherry picked from commit fa3cf6c2996741e642955c5e2fca8ad785e83205)

* Fix error in test function calls

(cherry picked from commit 1758f29364eca3cbd13dbb5c84909c93712b3b3b)

* Fix style error

(cherry picked from commit 23c4aa25714af145098baa7edd74c1d217e51c1a)

* Fix another style error

(cherry picked from commit 36af07abe28bec670aaebf9f5af5694bb582c29a)

* Fix `.punyHost` misuse

(cherry picked from commit 6027b516e1c82324d55d6e54d0e17cbd816feb42)

* attempt to fix test: make yaml valid

---------

Co-authored-by: Julia Johannesen <julia@insertdomain.name>

packages/backend/src/core/HttpRequestService.ts

@@ -54,19 +54,19 @@ class HttpRequestServiceAgent extends http.Agent {
 				}
 			});
 		return socket;
-	};
+	}
 
 	@bindThis
 	private isPrivateIp(ip: string): boolean {
 		const parsedIp = ipaddr.parse(ip);
-	
+
 		for (const net of this.config.allowedPrivateNetworks ?? []) {
 			const cidr = ipaddr.parseCIDR(net);
 			if (cidr[0].kind() === parsedIp.kind() && parsedIp.match(ipaddr.parseCIDR(net))) {
 				return false;
 			}
 		}
-	
+
 		return parsedIp.range() !== 'unicast';
 	}
 }
@@ -93,19 +93,19 @@ class HttpsRequestServiceAgent extends https.Agent {
 				}
 			});
 		return socket;
-	};
+	}
 
 	@bindThis
 	private isPrivateIp(ip: string): boolean {
 		const parsedIp = ipaddr.parse(ip);
-	
+
 		for (const net of this.config.allowedPrivateNetworks ?? []) {
 			const cidr = ipaddr.parseCIDR(net);
 			if (cidr[0].kind() === parsedIp.kind() && parsedIp.match(ipaddr.parseCIDR(net))) {
 				return false;
 			}
 		}
-	
+
 		return parsedIp.range() !== 'unicast';
 	}
 }