Updated GitHub action and site version

Author: openwms

.github/workflows/branch-build.yml

@@ -29,7 +29,7 @@ jobs:
         with:
           java-version: 21
       - name: Cache Maven packages
-        uses: actions/cache@v1
+        uses: actions/cache@v3
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}

.github/workflows/master-build.yml

@@ -27,7 +27,7 @@ jobs:
         with:
           java-version: 21
       - name: Cache Maven packages
-        uses: actions/cache@v1
+        uses: actions/cache@v3
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}

.github/workflows/master-docs.yml

@@ -24,7 +24,7 @@ jobs:
         with:
           java-version: 21
       - name: Cache Maven packages
-        uses: actions/cache@v1
+        uses: actions/cache@v3
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}

src/site/site.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/DECORATION/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/DECORATION/1.0.0 http://maven.apache.org/xsd/decoration-1.0.0.xsd">
+<site xmlns="http://maven.apache.org/SITE/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+      xsi:schemaLocation="http://maven.apache.org/SITE/2.0.0 https://maven.apache.org/xsd/site-2.0.0.xsd">
 
     <skin>
         <groupId>org.apache.maven.skins</groupId>
         <artifactId>maven-fluido-skin</artifactId>
-        <version>2.0.0-M6</version>
+        <version>2.0.0</version>
     </skin>
 
     <custom>
@@ -40,4 +40,4 @@
         <menu name="Project" ref="reports" />
     </body>
 
-</project>
+</site>