Update Maven to 3.8.3 in Appveyor CI (OpenAPITools#10771)

* update mavne to 3.8.3 to fix appveyor build failure

* update folder name

appveyor.yml

@@ -7,7 +7,7 @@ install:
       Add-Type -AssemblyName System.IO.Compression.FileSystem
       if (!(Test-Path -Path "C:\maven" )) {
         (new-object System.Net.WebClient).DownloadFile(
-          'http://www.us.apache.org/dist/maven/maven-3/3.2.5/binaries/apache-maven-3.2.5-bin.zip',
+          'https://archive.apache.org/dist/maven/maven-3/3.8.3/binaries/apache-maven-3.8.3-bin.zip',
           'C:\maven-bin.zip'
         )
         [System.IO.Compression.ZipFile]::ExtractToDirectory("C:\maven-bin.zip", "C:\maven")
@@ -22,15 +22,15 @@ install:
         )
         [System.IO.Compression.ZipFile]::ExtractToDirectory("C:\gradle-bin.zip", "C:\gradle")
       }
-  - cmd: SET PATH=C:\maven\apache-maven-3.2.5\bin;C:\gradle\gradle-5.6.4\bin;%JAVA_HOME%\bin;%PATH%
+  - cmd: SET PATH=C:\maven\apache-maven-3.8.3\bin;C:\gradle\gradle-5.6.4\bin;%JAVA_HOME%\bin;%PATH%
   - cmd: SET MAVEN_OPTS=-Xmx4g
   - cmd: SET JAVA_OPTS=-Xmx4g
-  - cmd: SET M2_HOME=C:\maven\apache-maven-3.2.5
+  - cmd: SET M2_HOME=C:\maven\apache-maven-3.8.3
   - cmd: java -version
   - cmd: gradle -v
   - cmd: dir/w
   - git clone https://github.com/wing328/swagger-samples --depth 1
-  - ps: Start-Process -FilePath 'C:\maven\apache-maven-3.2.5\bin\mvn' -ArgumentList 'jetty:run' -WorkingDirectory "$env:appveyor_build_folder\swagger-samples\java\java-jersey-jaxrs-ci"
+  - ps: Start-Process -FilePath 'C:\maven\apache-maven-3.8.3\bin\mvn' -ArgumentList 'jetty:run' -WorkingDirectory "$env:appveyor_build_folder\swagger-samples\java\java-jersey-jaxrs-ci"
   - ps: Start-Sleep -s 15
   - ps: $PSVersionTable.PSVersion
   - ps: Install-Module -Name Pester -Force -Scope CurrentUser