fixup! fixup! fixup! fixup! fixup! [ci] Better caching via a new cache key in publish-ghpages

Author: rayrobdod

.github/workflows/publish-ghpages.yml

@@ -22,7 +22,7 @@ jobs:
     - name: cache sbt packages
       # but with a different name than setup-java would use,
       # since webStage will pull some artifacts that the other tasks will not
-      # and caches are immutable, apparently, rather than updatable
+      # and caches are immutable, apparently, rather than whatever the most recent cache use had
       uses: actions/cache@v4
       with:
         path: |
@@ -31,9 +31,11 @@ jobs:
           ~/.cache/coursier
           !~/.sbt/*.lock
           !~/**/ivydata-*.properties
-        key: sbt-site-3-${{ hashFiles('**/*.sbt','**/project/build.properties','**/project/**.scala','**/project/**.sbt') }}
+        key: sbt-site-${{ hashFiles('**/*.sbt','**/project/build.properties','**/project/**.scala','**/project/**.sbt') }}
         restore-keys: |
-          sbt-site-3-
+          sbt-site-
+          setup-java-Linux-sbt-${{ hashFiles('**/*.sbt','**/project/build.properties','**/project/**.scala','**/project/**.sbt') }}
+          setup-java-Linux-sbt-
     - uses: actions/setup-java@v4
       with:
         distribution: 'zulu'