build: bump version to 1.1.0

CLIENT_VERSION 1000350 -> 1010050. Goes to 1.1.0 rather than 1.0.4 because
1.0.3 is already burned and ambiguous: origin/dragonx's debian changelog
already claims 1.0.3 and the daemon bundled in the ObsidianDragon 2.0.1
installer is labelled v1.0.3-dc45e7d90, so a 1.0.4 would sort above builds
that contain less.

Bumped in configure.ac (authoritative) and in the src/clientversion.h fallback
used when HAVE_CONFIG_H is unset, which the header itself asks to be kept in
sync.

DELIBERATELY NOT BUMPED: SPROUT_VALUE_VERSION, SAPLING_VALUE_VERSION and
SAPLING_VALUE_OPTIONAL_VERSION in chain.h. Those are thresholds marking the
CLIENT_VERSION that INTRODUCED each block-index format, not "the current
version". Raising SAPLING_VALUE_OPTIONAL_VERSION to 1010050 would push every
record written by a v1.0.3 node (nVersion 1000350) into the legacy
raw-CAmount branch of the deserializer and misparse it. The stale comment
naming 1000350 as the current CLIENT_VERSION is updated; the constants stand.

1010050 >= 1000350, so this build still writes and reads the optional format.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

contrib/debian/changelog

@@ -1,3 +1,24 @@
+dragonx (1.1.0) stable; urgency=medium
+
+  * Extend DRAGONX checkpoints to height 3,226,000, enabling the existing
+    RandomX skip below the last in-index checkpoint. Blocks requiring a
+    RandomX verify drop from ~391,000 to ~5,500; measured 91.3 blk/s below
+    the checkpoint vs 4.7 above on identical hardware.
+  * Verify each block's RandomX solution once per connect instead of twice,
+    and only when CheckBlockHeader actually performed the verification
+    (future-timestamped blocks keep their check).
+  * Build RandomX with ARCH=default rather than ARCH=native, so binaries are
+    not silently tuned to the build machine's CPU. A Zen4 build previously
+    emitted AVX-512 into librandomx.a, which cannot run on the seed fleet or
+    on older user CPUs.
+  * Remove a hardcoded git commit id that made builds without git metadata
+    report themselves as an unrelated 2018 commit.
+  * Includes the accumulated dev-branch work since 1.0.2: parallel RandomX
+    pre-verification, adaptive -dbcache, Sapling witness desync fix, BIP39
+    seed phrases, chain-level Sapling turnstile, and the audit fixes.
+
+ -- DragonX Developers <dev@dragonx.is>  Thu, 21 Aug 2026 22:00:00 +0000
+
 dragonx (1.0.3) stable; urgency=medium
 
   * IBD/sync speedups: parallel RandomX pre-verification, adaptive -dbcache, P2P download fixes