CI: update Zig version

Signed-off-by: Stephen Gutekanst <stephen@sourcegraph.com>

Author: Stephen Gutekanst

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Install Zig
         run: |
           brew install xz
-          sudo sh -c 'wget -c https://ziglang.org/builds/zig-macos-x86_64-0.10.0-dev.2524+e9fc58eab.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
+          sudo sh -c 'wget -c https://ziglang.org/builds/zig-macos-x86_64-0.10.0-dev.2439+c84f5a5f9.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
       - name: Install dependencies
         run: |
           brew install go-task/tap/go-task