rust: bump MSRV to 1.41.1

Ticket: #4902.

.github/workflows/builds.yml

@@ -28,7 +28,7 @@ env:
   RUST_VERSION_KNOWN: "1.49.0"
 
   # The minimum version of Rust supported.
-  RUST_VERSION_MIN: 1.34.2
+  RUST_VERSION_MIN: 1.41.1
 jobs:
 
   prepare-deps:

configure.ac

@@ -2474,7 +2474,7 @@ fi
     cargo_version_output=$($CARGO --version)
     cargo_version=$(echo "$cargo_version_output" | sed 's/^.*[[^0-9]]\([[0-9]]*\.[[0-9]]*\.[[0-9]]*\).*$/\1/')
 
-    MIN_RUSTC_VERSION="1.34.2"
+    MIN_RUSTC_VERSION="1.41.1"
     AC_MSG_CHECKING(for Rust version $MIN_RUSTC_VERSION or newer)
     AS_VERSION_COMPARE([$rustc_version], [$MIN_RUSTC_VERSION],
         [