chore: revert all 3rd-party lib upgrades except pcapplusplus

Keep only pcapplusplus 24.09→25.05 upgrade and visor_dns modernization.
Revert all other lib version bumps, opentelemetry target rename,
and fmt/ranges.h additions to allow isolated testing of pcapplusplus upgrade.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: leoparente

conanfile.py

@@ -7,29 +7,29 @@ class Pktvisor(ConanFile):
     generators = "CMakeToolchain", "CMakeDeps"
 
     def requirements(self):
-        self.requires("catch2/3.14.0")
+        self.requires("catch2/3.8.0")
         self.requires("corrade/2020.06")
-        self.requires("cpp-httplib/0.39.0")
+        self.requires("cpp-httplib/0.18.3")
         self.requires("docopt.cpp/0.6.3")
         self.requires("fast-cpp-csv-parser/cci.20240102")
-        self.requires("json-schema-validator/2.4.0")
-        self.requires("libmaxminddb/1.12.2")
+        self.requires("json-schema-validator/2.3.0")
+        self.requires("libmaxminddb/1.10.0")
         self.requires("nlohmann_json/3.11.3")
-        self.requires("openssl/3.6.2")
+        self.requires("openssl/3.3.2")
         if self.settings.os != "Windows":
             self.requires("libpcap/1.10.5", force=True)
         else:
             self.requires("npcap/1.70")
-        self.requires("opentelemetry-cpp/1.24.0")
+        self.requires("opentelemetry-cpp/1.17.0")
         self.requires("pcapplusplus/25.05")
-        self.requires("protobuf/6.33.5")
-        self.requires("sigslot/1.2.3")
-        self.requires("fmt/11.2.0", force=True)
-        self.requires("spdlog/1.17.0")
+        self.requires("protobuf/5.27.0")
+        self.requires("sigslot/1.2.2")
+        self.requires("fmt/10.2.1", force=True)
+        self.requires("spdlog/1.15.0")
         self.requires("uvw/3.4.0")
-        self.requires("yaml-cpp/0.9.0")
+        self.requires("yaml-cpp/0.8.0")
         self.requires("robin-hood-hashing/3.11.5")
-        self.requires("libcurl/8.19.0")
+        self.requires("libcurl/8.11.1")
         if (
             "libc" not in self.settings.compiler.fields
             or self.settings.compiler.libc != "musl"
@@ -38,7 +38,7 @@ def requirements(self):
 
     def build_requirements(self):
         self.tool_requires("corrade/2020.06")
-        self.tool_requires("protobuf/6.33.5")
+        self.tool_requires("protobuf/5.27.0")
 
     def layout(self):
         cmake_layout(self)

src/CMakeLists.txt

@@ -45,7 +45,7 @@ target_link_libraries(visor-core
         datasketches
         rng
         timer
-        opentelemetry-cpp::proto
+        opentelemetry-cpp::opentelemetry_proto
         protobuf::libprotobuf
         maxminddb::maxminddb
         Corrade::Corrade

src/GeoDB.cpp

@@ -5,7 +5,6 @@
 #include "GeoDB.h"
 #include <cstring>
 #include <fmt/format.h>
-#include <fmt/ranges.h>
 #include <stdexcept>
 
 namespace visor::geo {

src/StreamHandler.h

@@ -10,7 +10,6 @@
 #include "InputEventProxy.h"
 #include <ctime>
 #include <fmt/ostream.h>
-#include <fmt/ranges.h>
 #include <nlohmann/json.hpp>
 #include <sstream>