Update to zlib 1.2.12 and Imath 3.1.5

bazel/third_party/openexr_deps.bzl

@@ -13,23 +13,23 @@ def openexr_deps():
         http_archive,
         name = "net_zlib_zlib",
         build_file = "@openexr//:bazel/third_party/zlib.BUILD",
-        sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1",
-        strip_prefix = "zlib-1.2.11",
+        sha256 = "91844808532e5ce316b3c010929493c0244f3d37593afd6de04f71821d5136d9",
+        strip_prefix = "zlib-1.2.12",
         urls = [
-            "https://zlib.net/zlib-1.2.11.tar.gz",
-            "https://mirror.bazel.build/zlib.net/zlib-1.2.11.tar.gz",
+            "https://zlib.net/zlib-1.2.12.tar.gz",
+            "https://mirror.bazel.build/zlib.net/zlib-1.2.12.tar.gz",
         ],
     )
 
     # sha256 was determined using:
-    # curl -sL https://github.com/AcademySoftwareFoundation/Imath/archive/refs/tags/v3.1.4.tar.gz --output Imath-3.1.4.tar.gz
-    # sha256sum Imath-3.1.4.tar.gz
+    # curl -sL https://github.com/AcademySoftwareFoundation/Imath/archive/refs/tags/v3.1.5.tar.gz --output Imath-3.1.5.tar.gz
+    # sha256sum Imath-3.1.5.tar.gz
     # If the hash is incorrect Bazel will report an error and show the actual hash of the file.
     maybe(
         http_archive,
         name = "Imath",
         build_file = "@openexr//:bazel/third_party/Imath.BUILD",
-        strip_prefix = "Imath-3.1.4",
-        sha256 = "fcca5fbb37d375a252bacd8a29935569bdc28b888f01ef1d9299ca0c9e87c17a",
-        urls = ["https://github.com/AcademySoftwareFoundation/Imath/archive/refs/tags/v3.1.4.tar.gz"],
+        strip_prefix = "Imath-3.1.5",
+        sha256 = "1e9c7c94797cf7b7e61908aed1f80a331088cc7d8873318f70376e4aed5f25fb",
+        urls = ["https://github.com/AcademySoftwareFoundation/Imath/archive/refs/tags/v3.1.5.tar.gz"],
     )