[upstream_utils] Update imgui and implot (#8762)

Not updating GLFW yet due to a likely future move to SDL.

upstream_utils/imgui.py

@@ -57,8 +57,8 @@ def copy_upstream_src(wpilib_root: Path):
 def main():
     name = "imgui"
     url = "https://github.com/ocornut/imgui.git"
-    # docking on 2023-09-18
-    tag = "64b1e448d20c9be9275af731c34b4c7bf14a8e95"
+    # docking on 2026-04-11
+    tag = "d55608a5bb8c8a6890957b9e216f969c9407265b"
 
     imgui = Lib(name, url, tag, copy_upstream_src)
     imgui.main()

upstream_utils/imgui_patches/0001-Set-IMGUI_DEFINE_MATH_OPERATORS.patch

@@ -9,10 +9,10 @@ Signed-off-by: Jade Turner <spacey-sooty@proton.me>
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/imconfig.h b/imconfig.h
-index b56ba49467ebb388e038f0a23aed46044085bdff..291ce1995412f10e784beaf3f4c51e02d90b9813 100644
+index 0d843be26dcaa78eb59365dd2577099e095ab36c..41bd164ea606d144d395f17f19f2180e56b80c05 100644
 --- a/imconfig.h
 +++ b/imconfig.h
-@@ -98,7 +98,7 @@
+@@ -112,7 +112,7 @@
          operator MyVec4() const { return MyVec4(x,y,z,w); }
  */
  //---- ...Or use Dear ImGui's own very basic math operators.

upstream_utils/implot.py

@@ -28,8 +28,7 @@ def copy_upstream_src(wpilib_root: Path):
 def main():
     name = "implot"
     url = "https://github.com/epezent/implot.git"
-    # master on 2023-08-19
-    tag = "18c72431f8265e2b0b5378a3a73d8a883b2175ff"
+    tag = "v1.0"
 
     implot = Lib(name, url, tag, copy_upstream_src)
     implot.main()

upstream_utils/implot_patches/0001-Supress-compiler-warnings.patch

@@ -1,42 +1,44 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: PJ Reiniger <pj.reiniger@gmail.com>
-Date: Wed, 10 Jul 2024 03:16:19 -0400
+From: Peter Johnson <johnson.peter@gmail.com>
+Date: Sat, 11 Apr 2026 22:54:19 -0700
 Subject: [PATCH] Supress compiler warnings
 
 ---
- implot_internal.h | 8 ++++++++
+ implot_internal.h | 9 +++++++++
  implot_items.cpp  | 4 ++++
- 2 files changed, 12 insertions(+)
+ 2 files changed, 13 insertions(+)
 
 diff --git a/implot_internal.h b/implot_internal.h
-index fb01204819348fde5477359e3b7b87055b944811..1333085423a88b9fefc8192d4b2e04db1cc1b10c 100644
+index 9f6dfb23ff38c354928dc5be51e1884d6df4c9c7..5ce48ed8338bba24ad87af6870a23cdd1aa75a9b 100644
 --- a/implot_internal.h
 +++ b/implot_internal.h
-@@ -38,6 +38,10 @@
- #error Must include implot.h before implot_internal.h
+@@ -37,6 +37,11 @@
  #endif
  
+ #ifndef IMGUI_DISABLE
 +#ifdef __GNUC__
 +#pragma GCC diagnostic push
 +#pragma GCC diagnostic ignored "-Wformat-nonliteral"
 +#endif
++
+ #include <time.h>
+ #include "imgui_internal.h"
  
- // Support for pre-1.84 versions. ImPool's GetSize() -> GetBufSize()
- #if (IMGUI_VERSION_NUM < 18303)
-@@ -1665,3 +1669,7 @@ void Locator_Log10(ImPlotTicker& ticker, const ImPlotRange& range, float pixels,
- void Locator_SymLog(ImPlotTicker& ticker, const ImPlotRange& range, float pixels, bool vertical, ImPlotFormatter formatter, void* formatter_data);
+@@ -1710,4 +1715,8 @@ IMPLOT_API void Locator_SymLog(ImPlotTicker& ticker, const ImPlotRange& range, f
  
  } // namespace ImPlot
-+
+ 
 +#ifdef __GNUC__
 +#pragma GCC diagnostic pop
 +#endif
++
+ #endif // #ifndef IMGUI_DISABLE
 diff --git a/implot_items.cpp b/implot_items.cpp
-index c57ca9d4d669501bd2d9a54ee39ac6cfb707e29a..a56f5b89912460008c4a108e26c1e764d21678f2 100644
+index adea97ef7604cf092b00793989a21c147ff999e2..717386dc394b904a08918113efc7949e5dfe9dac 100644
 --- a/implot_items.cpp
 +++ b/implot_items.cpp
-@@ -26,6 +26,10 @@
- #include "implot.h"
+@@ -30,6 +30,10 @@
+ #ifndef IMGUI_DISABLE
  #include "implot_internal.h"
  
 +#ifdef __GNUC__