fix new warnings, regenerate lint-baseline.xml (#4684)

Mostly "StringFormatTrivial" which I think is new, but it makes totally
sense to fix

app/src/main/java/com/keylesspalace/tusky/util/NumberUtils.kt

@@ -3,6 +3,7 @@
 package com.keylesspalace.tusky.util
 
 import java.text.NumberFormat
+import java.util.Locale
 import kotlin.math.abs
 import kotlin.math.ln
 import kotlin.math.pow
@@ -24,5 +25,10 @@ fun formatNumber(num: Long, min: Int = 100000): String {
     val exp = (ln(absNum.toDouble()) / ln_1k).toInt()
 
     // Suffixes here are locale-agnostic
-    return String.format("%.1f%c", num / 1000.0.pow(exp.toDouble()), "KMGTPE"[exp - 1])
+    return String.format(
+        Locale.getDefault(),
+        "%.1f%c",
+        num / 1000.0.pow(exp.toDouble()),
+        "KMGTPE"[exp - 1]
+    )
 }

app/src/main/java/com/keylesspalace/tusky/util/StatusViewHelper.kt

@@ -237,7 +237,7 @@ class StatusViewHelper(private val itemView: View) {
         var labelText = getLabelTypeText(context, attachments[0].type)
         if (sensitive) {
             val sensitiveText = context.getString(R.string.post_sensitive_media_title)
-            labelText += String.format(" (%s)", sensitiveText)
+            labelText += " ($sensitiveText)"
         }
         mediaLabel.text = labelText