[TEST] Update latest versions of protobuf, grpc, and curl for testing (open-telemetry#3678)

Author: dbarker

install/cmake/third_party_latest

@@ -4,11 +4,11 @@
 # Latest version git tags of third-party dependencies
 # Format: <dependency_name>=<release_git_tag>
 
-abseil=20240722.1
+abseil=20250127.0
 zlib=v1.3.1
-curl=curl-8_14_1
-protobuf=v6.30.2
-grpc=v1.72.1
+curl=curl-8_16_0
+protobuf=v6.31.1
+grpc=v1.75.1
 benchmark=v1.9.4
 googletest=v1.17.0
 ms-gsl=v4.2.0

install/conan/conanfile_latest.txt

@@ -3,10 +3,10 @@
 
 [requires]
 zlib/1.3.1
-libcurl/8.12.1
-abseil/20240116.2
+libcurl/8.15.0
+abseil/20250127.0
 protobuf/5.27.0
-grpc/1.67.1
+grpc/1.72.0
 nlohmann_json/3.12.0
 prometheus-cpp/1.3.0
 opentracing-cpp/1.6.0