imath: update to 3.1.11.

## Version 3.1.11 (February 28, 2024)

Patch release with small build fix:

- Add explicit `std::` namespace for `isfinite` in `ImathFun.cpp`

This release also introduces the practice of signing release artifacts
via [sigstore](https://www.sigstore.dev).

### Merged Pull Requests
* \[[#371](AcademySoftwareFoundation/Imath#371]
ImathFun.cpp: add std:: to isfinite in remaining cases (#371)
* \[[#369](AcademySoftwareFoundation/Imath#369]
Add workflow to sign release artifacts with Sigstore
* \[[#368](AcademySoftwareFoundation/Imath#368]
Add std:: to isfinite in ImathFun.cpp

math/imath/Makefile

@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.11 2024/01/28 12:55:22 wiz Exp $
+# $NetBSD: Makefile,v 1.12 2024/03/03 11:34:00 wiz Exp $
 
-DISTNAME=	imath-3.1.10
+DISTNAME=	imath-3.1.11
 CATEGORIES=	math
 MASTER_SITES=	${MASTER_SITE_GITHUB:=AcademySoftwareFoundation/}
 GITHUB_PROJECT=	Imath

math/imath/PLIST

@@ -1,4 +1,4 @@
-@comment $NetBSD: PLIST,v 1.9 2024/01/28 12:55:22 wiz Exp $
+@comment $NetBSD: PLIST,v 1.10 2024/03/03 11:34:00 wiz Exp $
 include/Imath/ImathBox.h
 include/Imath/ImathBoxAlgo.h
 include/Imath/ImathColor.h
@@ -40,6 +40,6 @@ lib/cmake/Imath/ImathTargets-release.cmake
 lib/cmake/Imath/ImathTargets.cmake
 lib/libImath-3_1.so
 lib/libImath-3_1.so.29
-lib/libImath-3_1.so.29.9.0
+lib/libImath-3_1.so.29.10.0
 lib/libImath.so
 lib/pkgconfig/Imath.pc

math/imath/distinfo

@@ -1,6 +1,5 @@
-$NetBSD: distinfo,v 1.11 2024/01/28 12:55:22 wiz Exp $
+$NetBSD: distinfo,v 1.12 2024/03/03 11:34:00 wiz Exp $
 
-BLAKE2s (imath-3.1.10.tar.gz) = 5aaf7d6b85a92c25bf1e539f4cc4ee1bbe3efc18efbe58b84f52c30cc159f8b3
-SHA512 (imath-3.1.10.tar.gz) = 6a5bcb3f31880edd266c7c5d757ce233e91dad4007f4c411c06a58494ca64517a3df22fd3491837bb8ac211c4c5f8ee679b68c0fbcf9c31c8f2d7c7bb9d253e8
-Size (imath-3.1.10.tar.gz) = 595059 bytes
-SHA1 (patch-src_Imath_ImathFun.cpp) = e85edd2fc1dd2dd5e5d799570de308aa5a12faef
+BLAKE2s (imath-3.1.11.tar.gz) = 986d60ad26946799447224ea51832e9dc5f0efde0acd88609a5e8e9f2ffd7131
+SHA512 (imath-3.1.11.tar.gz) = 0bc86bea3a2aca89d02b501b4fba3c13ca861e914cec558e820fe9e4c43ab14cac34e31ff278b8c35b5fe76f7bea32f2c8105c0d33eb92224eb23d42d7a402e9
+Size (imath-3.1.11.tar.gz) = 596585 bytes