fix: recognize more errors as network issues

close #735

Author: Vinzent03

src/gitManager/simpleGit.ts

@@ -905,11 +905,15 @@ export class SimpleGit extends GitManager {
         if (error) {
             const networkFailure =
                 error.message.contains("Could not resolve host") ||
+                error.message.contains("Unable to resolve host") ||
                 error.message.match(
                     /ssh: connect to host .*? port .*?: Operation timed out/
                 ) ||
                 error.message.match(
                     /ssh: connect to host .*? port .*?: Network is unreachable/
+                ) ||
+                error.message.match(
+                    /ssh: connect to host .*? port .*?: Undefined error: 0/
                 );
             if (!networkFailure) {
                 this.plugin.displayError(error.message);