update MPFR to v4.1.0 (#36776)

Includes build fixes to ensure it is built thread-safe. Fixes #35796 regression.

Author: vtjnash

contrib/refresh_bb_tarballs.sh

@@ -35,6 +35,12 @@ fi
 # Get "contrib/" directory path
 CONTRIB_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
 
+# Get the source hash for each project
+for proj in ${BB_PROJECTS}; do
+    PROJ="$(echo ${proj} | tr [a-z] [A-Z])"
+    make -C "${CONTRIB_DIR}/../deps" USE_BINARYBUILDER_${PROJ}=0 DEPS_GIT=0 extract-${proj}
+done
+
 # For each triplet and each project, download the BB tarball and save its hash:
 for triplet in ${TRIPLETS}; do
 	for proj in ${BB_PROJECTS}; do

deps/Versions.make

@@ -17,8 +17,8 @@ OSXUNWIND_VER = 0.0.6
 OSXUNWIND_BB_REL = 0
 GMP_VER = 6.2.0
 GMP_BB_REL = 1
-MPFR_VER = 4.0.2
-MPFR_BB_REL = 2
+MPFR_VER = 4.1.0
+MPFR_BB_REL = 1
 PATCHELF_VER = 0.9
 MBEDTLS_VER = 2.16.0
 MBEDTLS_BB_REL = 1