Update workflow comments

Author: ppkarwasz

.github/workflows/build.yml

@@ -49,7 +49,7 @@ jobs:
         with:
           fetch-depth: 32
 
-      # JDK 17 is used for the build.
+      # JDK 11 is used for the build.
       # JDK 8 is used for the tests.
       # Search `maven-toolchains-plugin` usages for details.
       - name: Setup JDK
@@ -138,7 +138,7 @@ jobs:
         with:
           fetch-depth: 32
 
-      # JDK 17 is used for the build.
+      # JDK 11 is used for the build.
       # JDK 8 is used for the tests.
       # Search `maven-toolchains-plugin` usages for details.
       - name: Setup JDK

.github/workflows/codeql-analysis.yml

@@ -62,7 +62,7 @@ jobs:
           # Prefix the list here with "+" to use these queries and those in the config file.
           # queries: ./path/to/local/query, your-org/your-repo/queries@main
 
-      # JDK 17 is used for the build.
+      # JDK 11 is used for the build.
       - name: Setup JDK
         uses: actions/setup-java@cd89f46ac9d01407894225f350157564c9c7cee2   # 3.12.0
         with: