Bump actions/cache from 1 to 4 (#822)

Bumps [actions/cache](https://github.com/actions/cache) from 1 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v1...v4)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/master-codecov.yml

@@ -11,12 +11,12 @@ jobs:
       - uses: olafurpg/setup-scala@v14
         with:
           java-version: [email protected]
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.ivy2/cache
           key: ivy-${{hashFiles('**/*.sbt')}}
           restore-keys: ivy-
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.sbt
           key: sbt-${{hashFiles('**/*.sbt')}}-${{hashFiles('project/build.properties')}}

.github/workflows/master-release.yml

@@ -24,13 +24,13 @@ jobs:
           echo $PGP_SECRET | base64 --decode | gpg --import --no-tty --batch --yes
         env:
           PGP_SECRET: ${{secrets.PGP_SECRET}}
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.ivy2/cache
           key: ivy-${{hashFiles('**/*.sbt')}}
           restore-keys: |
             ivy-
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.sbt
           key: sbt-${{hashFiles('**/*.sbt')}}-${{hashFiles('project/build.properties')}}

.github/workflows/pr-checks.yml

@@ -19,12 +19,12 @@ jobs:
       - uses: olafurpg/setup-scala@v14
         with:
           java-version: adopt@1.${{matrix.java}}
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.ivy2/cache
           key: ivy-${{hashFiles('**/*.sbt')}}-${{matrix.scala}}
           restore-keys: ivy-
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.sbt
           key: sbt-${{hashFiles('**/*.sbt')}}-${{hashFiles('project/build.properties')}}-${{matrix.scala}}
@@ -38,12 +38,12 @@ jobs:
       - uses: olafurpg/setup-scala@v14
         with:
           java-version: [email protected]
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.ivy2/cache
           key: ivy-${{hashFiles('**/*.sbt')}}
           restore-keys: ivy-
-      - uses: actions/cache@v1
+      - uses: actions/cache@v4
         with:
           path: ~/.sbt
           key: sbt-${{hashFiles('**/*.sbt')}}-${{hashFiles('project/build.properties')}}