rust: update toolchain version to 1.76.0

Bug: None
Test: None
Change-Id: I09808d4c889c470d87d8a1b279146e8f6dc94929
Signed-off-by: Pixel Trusty Team Automation <mdb.pixel-trusty-team-automation@google.com>
diff --git a/scripts/envsetup.sh b/scripts/envsetup.sh
index a8067a6..b3478a1 100644
--- a/scripts/envsetup.sh
+++ b/scripts/envsetup.sh
@@ -33,7 +33,7 @@
 export CLANG_HOST_LIBDIR=${CLANG_BINDIR}/../lib
 export CLANG_TOOLS_BINDIR=${TRUSTY_TOP}/prebuilts/clang-tools/linux-x86/bin
 export LINUX_CLANG_BINDIR=${TRUSTY_TOP}/prebuilts/clang/host/linux-x86/clang-r498229b/bin
-export RUST_BINDIR=${TRUSTY_TOP}/prebuilts/rust/linux-x86/1.75.0/bin
+export RUST_BINDIR=${TRUSTY_TOP}/prebuilts/rust/linux-x86/1.76.0/bin
 export RUST_HOST_LIBDIR=${RUST_BINDIR}/../lib/rustlib/x86_64-unknown-linux-gnu/lib
 export ARCH_arm_TOOLCHAIN_PREFIX=${CLANG_BINDIR}/llvm-
 export ARCH_arm64_TOOLCHAIN_PREFIX=${CLANG_BINDIR}/llvm-