Bump to zlib version 1.3.1 used in examples

While zlib is not linked into UR libraries, only one of the example
applications, we should still avoid using versions with known CVEs.

Author: kbenzie

third_party/deps.yml

@@ -25,7 +25,7 @@ dependencies:
   - libssh2=1.11.0
   - libstdcxx-ng=13.1.0
   - libuv=1.44.2
-  - libzlib=1.2.13
+  - libzlib=1.3.1
   - llvm-spirv=14.0.0
   - llvm-tools=14.0.6
   - llvmdev=14.0.6
@@ -35,5 +35,5 @@ dependencies:
   - rhash=1.4.3
   # don't upgrade xz utils due to CVE-2024-3094
   - xz=5.2.6
-  - zlib=1.2.13
+  - zlib=1.3.1
   - zstd=1.5.2