[flutter_releases] Flutter stable 2.5.0 Framework Cherrypicks (#89625)

* Update devtools version to latest release 2.6.0 (#89318)
* 'Update Engine revision to f0826da7ef2d301eb8f4ead91aaf026aa2b52881 for stable release 2.5.0'

Co-authored-by: Kenzie (Schmoll) Davisson <43759233+kenzieschmoll@users.noreply.github.com>
diff --git a/bin/internal/devtools.version b/bin/internal/devtools.version
index 437459c..e70b452 100644
--- a/bin/internal/devtools.version
+++ b/bin/internal/devtools.version
@@ -1 +1 @@
-2.5.0
+2.6.0
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 525ad47..bd5eece 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-fcde2c8b2f0891c80e1f0f794bc7c26dd50f2949
+f0826da7ef2d301eb8f4ead91aaf026aa2b52881