Bump bundled libarchive version to 3.5.2

- Update bunlded libarchive version used on Windows/Mac
- Enable requested zstd support while we are at it. Closes #211

dependencies/zstd-1.5.0/.github/workflows/generic-release.yml

@@ -0,0 +1,59 @@
+name: generic-release
+
+on:
+  pull_request:
+    # This will eventually only be for pushes to release
+    # but for dogfooding purposes, I'm running it even
+    # on dev pushes
+    branches: [ dev, release, actionsTest ]
+
+jobs:
+  # missing jobs
+  #
+  # ppc64le + fuzz test
+  # Qemu PPC64 + Fuzz test
+  # Qemu aarch64 + Fuzz Test (on Xenial)
+  # versions comp
+  # meson test
+
+  osx:
+    runs-on: macos-10.15
+    steps:
+    - uses: actions/checkout@v2
+    - name: OS-X
+      run: |
+        make test
+        # make -c lib all (need to fix. not working right now)
+
+  tsan:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: thread sanitizer
+      run: |
+        CC=clang make tsan-test-zstream
+        CC=clang make tsan-fuzztest
+
+  zlib-wrapper:
+    runs-on: ubuntu-16.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: zlib wrapper test
+      run: |
+        make valgrindinstall
+        make -C zlibWrapper test
+        make -C zlibWrapper valgrindTest
+
+  lz4-threadpool-partial-libs:
+    runs-on: ubuntu-16.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: LZ4, thread pool, and partial libs testslib wrapper test
+      run: |
+        make lz4install
+        make -C tests test-lz4
+        make check < /dev/null | tee   # mess with lz4 console detection
+        make clean
+        make -C tests test-pool
+        make clean
+        bash tests/libzstd_partial_builds.sh