Fix new clippy::manual_is_multiple_of warnings.

Author: eddyb

src/qptr/analyze.rs

@@ -608,7 +608,7 @@ impl MemTypeLayout {
                 let usage_fixed_len = usage
                     .max_size
                     .map(|size| {
-                        if size % usage_stride.get() != 0 {
+                        if !size.is_multiple_of(usage_stride.get()) {
                             // FIXME(eddyb) maybe this should be propagated up,
                             // as a sign that `usage` is malformed?
                             return Err(());

src/qptr/lift.rs

@@ -245,7 +245,7 @@ impl<'a> LiftToSpvPtrs<'a> {
                 let fixed_len = usage
                     .max_size
                     .map(|size| {
-                        if size % stride.get() != 0 {
+                        if !size.is_multiple_of(stride.get()) {
                             return Err(LiftError(Diag::bug([format!(
                                 "DynOffsetBase: size ({size}) not a multiple of stride ({stride})"
                             )

src/spv/read.rs

@@ -266,7 +266,7 @@ impl ModuleParser {
     pub fn read_from_spv_bytes(spv_bytes: Vec<u8>) -> io::Result<Self> {
         let spv_spec = spec::Spec::get();
 
-        if spv_bytes.len() % 4 != 0 {
+        if !spv_bytes.len().is_multiple_of(4) {
             return Err(invalid("not a multiple of 4 bytes"));
         }
         // May need to mutate the bytes (to normalize endianness) later below.