fix(ci): compress install and build artifact with zstd (#1152)

### Briefly, what does this PR introduce?
After finding in #1124 that compression does matter, we might as well
use the best modern compression currently available to evaluate if it
does any better than gz. Since it does (comment below) we apply this to
both install and build artifacts.

### What kind of change does this PR introduce?
- [x] Bug fix (issue #__)
- [ ] New feature (issue #__)
- [ ] Documentation update
- [ ] Other: __

### Please check if this PR fulfills the following:
- [ ] Tests for the changes have been added
- [ ] Documentation has been added / updated
- [ ] Changes have been communicated to collaborators

### Does this PR introduce breaking changes? What changes might users
need to make to their code?
No.

### Does this PR change default behavior?
No.

.github/workflows/linux-eic-shell.yml

@@ -104,21 +104,21 @@ jobs:
         run: |
           export LD_LIBRARY_PATH=$PWD/install/lib:$LD_LIBRARY_PATH
           ctest --test-dir build -V
-    - name: Archive install directory
-      run: tar -cf install.tar install/
+    - name: Compress install directory
+      run: tar -caf install.tar.zst install/
     - name: Upload install directory
       uses: actions/upload-artifact@v3
       with:
         name: install-${{ matrix.CC }}-eic-shell-${{ matrix.CMAKE_BUILD_TYPE }}
-        path: install.tar
+        path: install.tar.zst
         if-no-files-found: error
     - name: Compress build directory
-      run: tar -czf build.tar.gz build/
+      run: tar -caf build.tar.zst build/
     - name: Upload build directory
       uses: actions/upload-artifact@v3
       with:
         name: build-${{ matrix.CC }}-eic-shell-${{ matrix.CMAKE_BUILD_TYPE }}
-        path: build.tar.gz
+        path: build.tar.zst
         if-no-files-found: error
 
   clang-tidy-iwyu:
@@ -136,7 +136,7 @@ jobs:
         name: build-clang-eic-shell-Debug
         path: .
     - name: Uncompress build artifact
-      run: tar -zxf build.tar.gz
+      run: tar -xaf build.tar.zst
     - name: Run clang-tidy on changed files
       uses: eic/run-cvmfs-osg-eic-shell@main
       if: ${{ github.event_name == 'pull_request' }}
@@ -212,7 +212,7 @@ jobs:
         name: build-clang-eic-shell-Debug
         path: .
     - name: Uncompress build artifact
-      run: tar -zxf build.tar.gz
+      run: tar -xaf build.tar.zst
     - run: sudo apt-get update
     - run: sudo apt-get install -y llvm-15 jq
     - name: llvm-cov
@@ -378,7 +378,7 @@ jobs:
       with:
         name: install-${{ matrix.CC }}-eic-shell-Release
     - name: Unarchive install directory
-      run: tar -xf install.tar
+      run: tar -xaf install.tar.zst
     - name: Download simulation input
       uses: actions/download-artifact@v3
       with:
@@ -438,7 +438,7 @@ jobs:
       with:
         name: install-${{ matrix.CC }}-eic-shell-Release
     - name: Unarchive install directory
-      run: tar -xf install.tar
+      run: tar -xaf install.tar.zst
     - uses: actions/download-artifact@v3
       with:
         name: sim_${{ matrix.particle }}_1GeV_20GeV_${{ matrix.detector_config }}.edm4hep.root
@@ -485,7 +485,7 @@ jobs:
       with:
         name: install-${{ matrix.CC }}-eic-shell-Release
     - name: Unarchive install directory
-      run: tar -xf install.tar
+      run: tar -xaf install.tar.zst
     - uses: actions/download-artifact@v3
       with:
         name: sim_${{ matrix.particle }}_1GeV_20GeV_${{ matrix.detector_config }}.edm4hep.root
@@ -526,7 +526,7 @@ jobs:
       with:
         name: install-${{ matrix.CC }}-eic-shell-Release
     - name: Uncompress install directory
-      run: tar -xf install.tar
+      run: tar -xaf install.tar.zst
     - uses: actions/download-artifact@v3
       with:
         name: sim_${{ matrix.particle }}_1GeV_20GeV_${{ matrix.detector_config }}.edm4hep.root
@@ -645,7 +645,7 @@ jobs:
       with:
         name: install-${{ matrix.CC }}-eic-shell-Release
     - name: Unarchive install directory
-      run: tar -xf install.tar
+      run: tar -xaf install.tar.zst
     - uses: actions/download-artifact@v3
       with:
         name: sim_${{ matrix.particle }}_EcalLumiSpec_${{ matrix.detector_config }}.edm4hep.root
@@ -700,7 +700,7 @@ jobs:
       with:
         name: install-${{ matrix.CC }}-eic-shell-Release
     - name: Unarchive install directory
-      run: tar -xf install.tar
+      run: tar -xaf install.tar.zst
     - uses: actions/download-artifact@v3
       with:
         name: sim_dis_${{ matrix.beam }}_minQ2=${{ matrix.minq2 }}_${{ matrix.detector_config }}.edm4hep.root