Update dependency abseil/abseil-cpp to v20250814 (#48)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

application/blinky-pure-c/CMakeLists.txt

@@ -31,7 +31,7 @@ if (NOT CMAKE_CROSSCOMPILING)
         abseil3rd
         GIT_REPOSITORY "https://github.com/abseil/abseil-cpp.git" 
 
-        GIT_TAG "20250512.1" # renovate: datasource=github-tags depName=abseil/abseil-cpp
+        GIT_TAG "20250814.0" # renovate: datasource=github-tags depName=abseil/abseil-cpp
         GIT_SHALLOW TRUE
         GIT_PROGRESS TRUE
         SOURCE_DIR "${ABSEIL_DIR}"