build: use latest version of coursier/cache-action

Author: jrudolph

.github/workflows/validate.yml

@@ -62,10 +62,7 @@ jobs:
           java-version: adopt@${{ matrix.jdk-version }}
 
       - name: Cache Coursier cache
-        uses: coursier/cache-action@v5
-        with:
-          # add marker for the target scala-version, so that compiler bridge can be cached
-          extraKey: ${{ matrix.jdk-version }}-${{ matrix.scala-version }}
+        uses: coursier/[email protected]
 
       - name: Compile and test for JDK ${{ matrix.jdk-version }}, Scala ${{ matrix.scala-version }}
         run: sbt -J-XX:ReservedCodeCacheSize=256M ++${{ matrix.scala-version }} test
@@ -88,10 +85,7 @@ jobs:
           java-version: [email protected]
 
       - name: Cache Coursier cache
-        uses: coursier/cache-action@v5
-        with:
-          # add marker that this build uses cross building, so hopefully all compiler bridges will be cached
-          extraKey: cross
+        uses: coursier/[email protected]
 
       - name: Publish
         run: sbt ci-release