chore: use i18n 'duplicate' instead of 'copy'

packages/hoppscotch-app/components/collections/graphql/index.vue

@@ -291,7 +291,7 @@ export default defineComponent({
     duplicateRequest({ folderPath, request }) {
       saveGraphqlRequestAs(folderPath, {
         ...request,
-        name: request.name + " - Copy",
+        name: `${request.name} - ${this.$t("action.duplicate")}`,
       })
     },
   },

packages/hoppscotch-app/components/collections/index.vue

@@ -689,7 +689,7 @@ export default defineComponent({
     duplicateRequest({ folderPath, request }) {
       saveRESTRequestAs(folderPath, {
         ...request,
-        name: request.name + " - Copy",
+        name: `${request.name} - ${this.$t("action.duplicate")}`,
       })
     },
   },

packages/hoppscotch-app/components/environments/Environment.vue

@@ -108,7 +108,7 @@ export default defineComponent({
     },
     duplicateEnvironment() {
       if (this.environmentIndex === "Global") {
-        createEnvironment("Global-Copy")
+        createEnvironment(`Global - ${this.$t("action.duplicate")}`)
         setEnvironmentVariables(
           environmentsStore.value.environments.length - 1,
           getGlobalVariables().reduce((gVars, gVar) => {