deps/api: Bump `opentelemetry_proto` -> 1.2.0 (#33688)

Signed-off-by: Ryan Northey <ryan@synca.io>
Co-authored-by: dependency-envoy[bot] <148525496+dependency-envoy[bot]@users.noreply.github.com>

Mirrored from https://github.com/envoyproxy/envoy @ 763112853c4d6bb819a710cd2899386261181643

bazel/repository_locations.bzl

@@ -118,9 +118,9 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "OpenTelemetry Proto",
         project_desc = "Language Independent Interface Types For OpenTelemetry",
         project_url = "https://github.com/open-telemetry/opentelemetry-proto",
-        version = "1.1.0",
-        sha256 = "df491a05f3fcbf86cc5ba5c9de81f6a624d74d4773d7009d573e37d6e2b6af64",
-        release_date = "2024-01-11",
+        version = "1.2.0",
+        sha256 = "516dc94685dbaa14fb792788f31d2ef2b0c3ad08dfa8a9a8164e3cf60c1ab6f7",
+        release_date = "2024-04-05",
         strip_prefix = "opentelemetry-proto-{version}",
         urls = ["https://github.com/open-telemetry/opentelemetry-proto/archive/v{version}.tar.gz"],
         use_category = ["api"],