Use Get but not Post to get actions artifacts (#29734) (#29737)

backport #29734

routers/web/web.go

@@ -1360,7 +1360,7 @@ func registerRoutes(m *web.Route) {
 				})
 				m.Post("/cancel", reqRepoActionsWriter, actions.Cancel)
 				m.Post("/approve", reqRepoActionsWriter, actions.Approve)
-				m.Post("/artifacts", actions.ArtifactsView)
+				m.Get("/artifacts", actions.ArtifactsView)
 				m.Get("/artifacts/{artifact_name}", actions.ArtifactsDownloadView)
 				m.Post("/rerun", reqRepoActionsWriter, actions.Rerun)
 			})

web_src/js/components/RepoActionView.vue

@@ -5,7 +5,7 @@ import {createApp} from 'vue';
 import {toggleElem} from '../utils/dom.js';
 import {getCurrentLocale} from '../utils.js';
 import {renderAnsi} from '../render/ansi.js';
-import {POST} from '../modules/fetch.js';
+import {GET, POST} from '../modules/fetch.js';
 
 const sfc = {
   name: 'RepoActionView',
@@ -196,7 +196,7 @@ const sfc = {
     },
 
     async fetchArtifacts() {
-      const resp = await POST(`${this.actionsURL}/runs/${this.runIndex}/artifacts`);
+      const resp = await GET(`${this.actionsURL}/runs/${this.runIndex}/artifacts`);
       return await resp.json();
     },