Represent the capability instead of the lint name in msrv aliases (#14269)

`INTEGER_BITS` better represents the addition of the `BITS` value on the
primitive integer types.

Inspired by #14263

changelog: none

Author: y21

Diff for: clippy_lints/src/manual_bits.rs

@@ -53,7 +53,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualBits {
         if let ExprKind::Binary(bin_op, left_expr, right_expr) = expr.kind
             && let BinOpKind::Mul = &bin_op.node
             && !expr.span.from_expansion()
-            && self.msrv.meets(msrvs::MANUAL_BITS)
+            && self.msrv.meets(msrvs::INTEGER_BITS)
             && let ctxt = expr.span.ctxt()
             && left_expr.span.ctxt() == ctxt
             && right_expr.span.ctxt() == ctxt

Diff for: clippy_utils/src/msrvs.rs

@@ -41,7 +41,7 @@ msrv_aliases! {
     1,56,0 { CONST_FN_UNION }
     1,55,0 { SEEK_REWIND }
     1,54,0 { INTO_KEYS }
-    1,53,0 { OR_PATTERNS, MANUAL_BITS, BTREE_MAP_RETAIN, BTREE_SET_RETAIN, ARRAY_INTO_ITERATOR }
+    1,53,0 { OR_PATTERNS, INTEGER_BITS, BTREE_MAP_RETAIN, BTREE_SET_RETAIN, ARRAY_INTO_ITERATOR }
     1,52,0 { STR_SPLIT_ONCE, REM_EUCLID_CONST }
     1,51,0 { BORROW_AS_PTR, SEEK_FROM_CURRENT, UNSIGNED_ABS }
     1,50,0 { BOOL_THEN, CLAMP, SLICE_FILL }