SMLib: pin d01d7b0 (the new blend's one Gⁿ section generator: the chord, circle and curvature sections, and the variable rounds as the union of their balls)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

crates/smlib/SMLIB_PREBUILT

@@ -1,10 +1,10 @@
 # Rust target, SHA-256 of smlib-<target>.tar.gz in the release prebuilt-<SMLIB_REV> of
 # tangency-labs/smlib. Written by scripts/fetch-smlib.sh --pin; never edited by hand.
-aarch64-apple-darwin b3de509abbe7c2846bdad3eed7392bdc9479e9454bb9766b3aa165958e818590
-aarch64-pc-windows-msvc b367f78daa5a8aa54fca72d2f3aab891ab8043a1f592589e8081fdb75a7cd947
-aarch64-unknown-linux-gnu b0378b5fcba90aff5209a36a0aa63d86a0f83e84cec5c7dce20c27bc1515ded3
-i686-pc-windows-msvc c253907bac0fc5b6908396bd9be2f81404be2425a36934be7514580aedc5552f
-wasm32-unknown-unknown 537e2361deeb363ce3251f4294d93af6ca0e194abdded5a960fa51c2109803fd
-x86_64-apple-darwin 38e663d2ea28a3f1407576e295f2342d8ed0f187c0c7740369db6a2257d5d1a2
-x86_64-pc-windows-msvc 13c46708e298f1e0c35207d4a72479bab64f8841e29ea6a217f545ace453acac
-x86_64-unknown-linux-gnu 0e10967871fee4372e5f10382661b1af248ac84cc22f9bbbe44c6d4b4c71b1d9
+aarch64-apple-darwin 9d3b60a82d3789433bf91b177d9072f6f1465f817474adc22cec99e69e7b3cbb
+aarch64-pc-windows-msvc 3fa882a30884b1776940bf1608f3bad394ce1ddf144d0589458cb22b7b98ab88
+aarch64-unknown-linux-gnu ea14e151773472f59e6bd7948f63e56fffbcdfb4c43c307c0a47e9da0f31f11a
+i686-pc-windows-msvc c56e8db76799914e235f45f520a5382368f4fadbed793ec0f60626695e2eac2e
+wasm32-unknown-unknown 4d2a27d1122c5876a2293e13c06d999d4dd6348614f08b2bf44f785e7cb69fb7
+x86_64-apple-darwin 2a6ec9b280b6fac349dd6dbf6d4a3fc42d7fb93c787f7113b566cc6764586bcb
+x86_64-pc-windows-msvc 205e5c7325260861b396fbeac068e9a11a200750e7d5048345e870caa0bdfb27
+x86_64-unknown-linux-gnu 941df71e61603d3f27f2204e9f7c7926fcae899ff384a9ceff5fadee43245533

crates/smlib/SMLIB_REV

@@ -1 +1 @@
-7ac037e5055c6c045be619c05b5b20f90acdb3d8
+d01d7b05bf2e15c1c085b665d84167e7de6834af