Update latest release branch nightly build target to 2.16

Author: ihnorton

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
-      
+
       - run: rm -rf $RUNNER_TOOL_CACHE/Python/3.7.17
         if: matrix.os == 'macos-11' && matrix.python-version == '3.7'
       - uses: actions/setup-python@v4

.github/workflows/daily-test-build.yml

@@ -32,7 +32,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-11, windows-latest]
-        libtiledb_version: ["dev", "release-2.14", "release-2.15"]
+        libtiledb_version: ["dev", "release-2.16"]
         uninstall_pandas: [true, false]
       fail-fast: false