chore: release 3.26.0-0codspeed5

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: adriencaccia

debian/changelog

@@ -1,3 +1,15 @@
+valgrind (1:3.26.0-0codspeed5) UNRELEASED; urgency=medium
+
+  * feat(callgrind-utils): add perf_map symbolization for -X perf Python frames
+  * feat(callgrind-utils): parse .out into a call graph with JSON and flamegraph output
+  * fix(debuginfo): find split debug files via NIX_DEBUG_INFO_DIRS
+  * fix(callgrind): skip arm64 _dl_tlsdesc_* resolvers like PLT stubs
+  * fix(coregrind): arm64 FP-chain unwind fallback when CFI is missing
+  * fix(callgrind): track guest X30 for arm64 shadow-stack return addresses
+  * fix(VEX): classify arm64 plain B as Ijk_Boring, not Ijk_Call
+
+ -- Adrien Cacciaguerra <adrien@codspeed.io>  Wed, 08 Jul 2026 14:00:44 +0000
+
 valgrind (1:3.26.0-0codspeed4) UNRELEASED; urgency=medium
 
   * feat: estimate cycles