CI: Build Windows binary in a separate job

.justfile

@@ -72,6 +72,17 @@ assess-run-watch-quick:
 
 alias rq := assess-run-watch-quick
 
+# Determine the Minimum Supported Rust Version
+[group: 'develop']
+msrv:
+    @{{ make_msrv("find", musl_target) }}
+    @{{ make_msrv("find", glibc_target) }}
+    @{{ make_msrv("find", msvc_target) }}
+
+make_msrv(command, target) := f"printf '{{ target }}: '; " + \
+    f"cargo msrv {{ command }} --target {{ target }} --output-format minimal " \
+    + f"-- {{ maybe_xwin(target) }} build --ignore-rust-version"
+
 [private]
 test-cover-quick:
     {{ cover_cmd }} --no-report -- --test 'serial_tests::' --test-threads 1
@@ -321,6 +332,8 @@ test-windows pattern="":
     -{{ xwin_test(pattern) }} --timings --doc
     -{{ xwin_test(pattern) }} --timings --lib -- --skip 'serial_tests::'
 
+xwin_test(pattern) := f"cargo-xwin test {{ pattern }} --target {{ msvc_target }}"
+
 # Run tests with unfiltered output
 [group: 'assess']
 test-output pattern="":
@@ -361,7 +374,7 @@ verify:
     fi
     {{ just_cmd }} \
         todos-assess version-assess spell schema-lint deny \
-        format-assess lint-assess check \
+        format-assess lint-assess msrv-assess check \
         test "" cover-assess
 
 alias v := verify
@@ -387,6 +400,13 @@ version-assess remote="false": update
 
 alias va := version-assess
 
+# Assess if the current Minimum Supported Rust Version is accurate
+[group: 'assess']
+msrv-assess:
+    {{ make_msrv("verify", musl_target) }}
+    {{ make_msrv("verify", glibc_target) }}
+    {{ make_msrv("verify", msvc_target) }}
+
 # Find TODOs
 [group: 'assess']
 todos-assess:
@@ -448,6 +468,9 @@ release-build target=default_target:
         --timings --target {{ target }} --locked --release
     du -h target/{{ target }}/release/{{ with_suffix("en", target) }}
 
+maybe_xwin(target) := if target == msvc_target { "cargo-xwin" } else { "cargo" }
+with_suffix(file, target) := if target == msvc_target { f"{{ file }}.exe" } else { file }
+
 alias rb := release-build
 
 # glibc release build
@@ -513,11 +536,6 @@ lockfile_version := ```
         | grep version | cut -d '"' -f 2
     ```
 
-## FUNCTIONS
-with_suffix(file, target) := if target == msvc_target { f"{{ file }}.exe" } else { file }
-maybe_xwin(target) := if target == msvc_target { "cargo-xwin" } else { "cargo" }
-xwin_test(pattern) := f"cargo-xwin test {{ pattern }} --target {{ msvc_target }}"
-
 ## OPTIONS
 set unstable
 set lazy