chore(deps): Upgrade dotnet-sonarscanner to v7.1

Also remove the java installation step since v7 no longer requires it.

.config/dotnet-tools.json

@@ -9,7 +9,7 @@
       ]
     },
     "dotnet-sonarscanner": {
-      "version": "6.2.0",
+      "version": "7.1.0",
       "commands": [
         "dotnet-sonarscanner"
       ]

.github/workflows/sonarcloud.yml

@@ -26,14 +26,6 @@ jobs:
         with:
           fetch-depth: 0 # avoid shallow clone for GitVersion and Sonar analysis
 
-      # GH Runners come with Java 11, which is deprecated by Sonarcloud
-      - name: Setup Java
-        uses: actions/setup-java@v4
-        with:
-          java-version: 20
-          java-package: jre
-          distribution: temurin
-
       - name: Setup dotnet
         uses: actions/setup-dotnet@v4
         with: