Upgrade to Unity 2021.3.21 (#368)

* Upgrade to Unity 2021.3.21

* Update informational text

Assets/Resources/Sprites/UI/Common/GameOverlays/SectionMedal/Medals.png.meta

@@ -9,7 +9,7 @@ TextureImporter:
       213: -248247452180867130
     second: Medals_1
   externalObjects: {}
-  serializedVersion: 11
+  serializedVersion: 12
   mipmaps:
     mipMapMode: 0
     enableMipMap: 0
@@ -30,6 +30,7 @@ TextureImporter:
   streamingMipmaps: 0
   streamingMipmapsPriority: 0
   vTOnly: 0
+  ignoreMasterTextureLimit: 0
   grayScaleToAlpha: 0
   generateCubemap: 6
   cubemapConvolution: 0
@@ -68,6 +69,7 @@ TextureImporter:
   textureFormatSet: 0
   ignorePngGamma: 0
   applyGammaDecoding: 0
+  cookieLightType: 1
   platformSettings:
   - serializedVersion: 3
     buildTarget: DefaultTexturePlatform
@@ -93,6 +95,18 @@ TextureImporter:
     overridden: 0
     androidETC2FallbackOverride: 0
     forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 3
+    buildTarget: Server
+    maxTextureSize: 1024
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
   spriteSheet:
     serializedVersion: 2
     sprites:
@@ -148,6 +162,9 @@ TextureImporter:
     edges: []
     weights: []
     secondaryTextures: []
+    nameFileIdTable:
+      Medals_0: 8319240887185758339
+      Medals_1: -248247452180867130
   spritePackingTag: 
   pSDRemoveMatte: 0
   pSDShowRemoveMatteOption: 0