Fix swiftlint errors

Author: younata

Sources/Nimble/Utils/AsyncAwait.swift

@@ -203,15 +203,15 @@ internal func pollBlock(
     precondition(pollInterval > .seconds(0))
     let iterations = Int(exactly: (timeoutInterval / pollInterval).rounded(.up)) ?? Int.max
 
-    for i in 0..<iterations {
+    for iteration in 0..<iterations {
         do {
             if case .finished(let result) = try await expression() {
                 return .completed(result)
             }
         } catch {
             return .errorThrown(error)
         }
-        if i == (iterations - 1) {
+        if iteration == (iterations - 1) {
             break
         }
         do {

Sources/Nimble/Utils/PollAwait.swift

@@ -175,15 +175,15 @@ internal func pollBlock(
         precondition(timeoutInterval > interval)
         let iterations = Int(exactly: (timeoutInterval / pollInterval).rounded(.up)) ?? Int.max
 
-        for i in 0..<iterations {
+        for iteration in 0..<iterations {
             do {
                 if case .finished(let result) = try expression() {
                     return .completed(result)
                 }
             } catch {
                 return .errorThrown(error)
             }
-            if i == (iterations - 1) {
+            if iteration == (iterations - 1) {
                 break
             }
             RunLoop.main.run(until: Date(timeIntervalSinceNow: pollInterval.timeInterval))